and at the very least i like to believe that my sister's with my mom finally and that they're together. it's not my time yet, but i can't wait to see them again. . i'm craig melvin. and i'm natalie morales. and this is "dateline." i'm craig melvin. >> i'm natalie morale less. >> this is "dateline." >> he's almost like a marvel comicbook arch villain. he's bright. he's clever. evil as can be. >> on a beautiful sprawling farm, seeds of danger. >> this big explosion, he's just laying on the ground. >> this loving father of free, the farm's heart and soul, killed in a ball of fire.

>> they were saying it wasn't an accident. >> our assumption was it it was a pipe bomb. >> some claimed the dead man reaped who he'd sown. >> implied that roberto had messed with a drug cartel. >> maybe the truth lay with the farm's owners. a wealthy clan known for harvesting rice and resentment. >> i wish that there weren't so much hate and anger in our family. >> one family member seeming held a grudge ainst the victim. >> he was always the one that had something mean to say. he was always the one that hated him. >> another came gunning for investigators. >> who chases the police? >> but who was hiding the darkest of secrets? >> got chills going back of my neck, i'm like this is not happening right now. >> a blank sheet of paper hiding a diabolical clue. >> i fell to my knees, started screaming.

in the american west, a wide flat earthen cornucopia whose bounty daily fills the bellies of millions. whose great farms employ legions of workers and enrich with their profits families that pass the land down. father to son. generation after generation. they live modestly here in california's central valley. multimillionaires and crop dusters and battered pickup trucks, deeply conservative. self-reliant. tough enough to thrive in a dangerous business that takes guts and brains. here among the churning slashing machinery, the high-voltage power that helps grow the food of life, death can take a man unawares. even on a sleepy summer day. >> we just looked up and there he was. >> like the day, a little boy

burst from the field of sunflowers next to brandy haven's place. >> he was beat red. sweaty. he was just covered in mud. head to toe. he had his tennis shoes in his hands. >> carrying his shoes. >> carrying his shoes. >> he'd been running barefoot? >> he said he took them off. i think he got stuck in the mud in the sunflowers. >> brandy and her kids live in a rambling house wednesday to next of those big farms. idyllic life out here. quiet. predictable. until the saturday afternoon that little boy appeared. like magic from the sunflower field. couldn't have been more 7 years old or so. so what'd he say? >> he said that his dad was on fire and he needed to call for help. >> on fire? how could that be? he was serious? >> he was serious. very serious. >> once he started to talk, was hi making sense? >> yes. he was able to talk, you know,

the whole time. answer whatever questions i had. it it was no hesitation. >> brandy called 91 1. passed along details as relayed to her by the little boy. >> brandy, what is the little boy saying exactly that his dad -- >> okay. he's saying his dad turned something on for the water, i'm guessing an irrigating pump. >> uh-huh. >> and it blew up like a bomb. >> as they waited for the fire department to arrive, brandy began tending to the boy. fabian. >> gave him some water to drink then i took the water and rinsed all the mud off and checked under his shirt to see if there was any major injuries or not. >> were you hurt? >> to. >> not at all? >> huh-uh. >> this is fabian today who, his family by his side, told us about the last day he spent with his dad. >> he would take me out when he had something to do. >> fabian's dad, roberto, was a

farm manager. a demanding sun up to sundown job. to squeeze in quality time with his family, he'd often take one of his three kids with him. a proud man. always pictured with his chest out. his chin up. on july 16th, 2011, that saturday, roberto needed to flood a ricefield by turning on a series of high-voltage irrigation pumps. fabian by his side in his pickup truck, roberto drove the quarter mile distance from one pump to the next and then he stopped, got out. walked to the big electrical box. >> he was just going to the ricefield when we heard this big explosion. i go out and see what happens. he's just laying on the ground. >> so what did you do? >> i yelled his name out and he wasn't answering. so i went to go to try to get help. >> so what did you do? you ran?

>> yeah. >> through what? >> the fields. the flower fields. >> yeah. big tall -- >> yeah. >> you're running through them trying to -- >> yeah. >> how far did you have to go? >> i don't know. pretty far. >> far, indeed. more than two miles. running, running, running. blindly through the field of golden flowers that closed in about him. >> and i saw the house and i just went toward it. >> do k yyou remember what you d to tehem? >> something happened to my dad. he was down that way. can you help me ? they said yes. they called the police department and they came as quick as they can. >> when firefighters reached the irrigation canal from which little fabian had run for help, it was obvious there was no life left to save. roberto's body must, indeed, have been on fire as fabian said it was. why became clear when they found burn holes an inch wide near the

bottom of his feet, an obvious sign of electrocution. a locker-sized electrical box used to turn on a high-voltage irrigation bump had apparently shorted out and exploded. with such intensity, metal fragments blew out the windows and peppered the passenger side of roberto's ford 250. miracle little fabian wasn't killed toor killed, too. >> translator: we received a phone call that something happened. >> roberto's wife. >> translator: it was when we receive add call from the police department and they said they had fabian was okay but couldn't tell us what happened to lobt toe. we thought he was in the ho hospital. >> you didn't know what happened? >>. >> translator: we didn't know what had happened. we called the hospital and the hospital didn't know anything about what had happened, but an hour, hour and a half later, they arrived with fabian. >> my mom asked my brother, where was my dad? my brother just started

screaming that he was dead. >> what was it like to see fabian in that situation? >> i think someone, being older, wouldn't be able to handle it as well as my brother did. >> it's pretty amazing, wasn't it? to run all that way. >> i wouldn't have been able to run that much. i wouldn't have phone what to do. or to stay strong the way he did. i just -- i wasn't there and i couldn't control myself. i don't know how he did it. >> farm accidents are as old as the wheel. bad things just happen sometimes. still, sheriff's investigators scoured the area taking photos and collecting every bit of debris they could find, whether it looked like it it was from an electrical box or not. >> one of jobs for the jurisdiction is to investigate all industrial accidents. >> because, said sheriff's detective david salm, in this county the sheriff does double duty as the county coroner.

>> osha eventually will take over that investigation if it's determined to be that type. >> there was an autopsy, too. routine, of course. >> told us that the victim had been electry cu rr electricuted fear an explosion. >> pacific gas and electric sent a team over which confirmed it looked like an accident and sadly, not unique. >> he said, well, we've seen stuff similar to this, what might happen is the operator will get into the panel with a tool for some reason and cross the leads with that tool and cause a plasma type of explosion and that could have been what happened. the other thing he did say is we've never seen anything this big. >> this is what the electrical box would have looked like before the explosion. about the size of a high school locker. and after the explosion, that box was nowhere to be found. all that was left is a splintered post where it once stood. hard to know what to make of

that. coming up -- along with the crops, growing resentments at the farm. >> robert told paul that he was going to get my share of what my dad was going to leave me of the ranch. >> your intention was to fight it? >> oh, yeah. it settles things. >> the investigation continues as explosives experts try to determine what exactly happened to roberto. >> he came across a piece of met metal, that piece of metal said to him there was something more going on. >> the first clue unearthed. when "dateline" continues when "dateline" continue ♪ wingardium levitoga ♪ wingardium leviosa ♪ thanks. the perfect gift isn't just about getting something. it's about getting someone. nobody knows the wizarding world like we do.

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> when people hear the words, fortune, california, in the same sentence, their minds generally go to some internet sensation like google or apple. but just 50 miles from silicon valley in the sacramento san joaquin valley. the valley where fortunes were made long before the arrival of microchips and semiconductors. . the farm roberto ran worth tens of millions of dollars. all going to just one extended family. the moors. >> they were very, very private. >> this is mary. part of the greater moore clan. her family, like many of the big farming families around here, keeps its wealth private, too. >> i knew that there was money there, but they didn't flaunt it in any way and you weren't told

about it. you just knew that it was there. >> she learned early, she said, that the family fortune was also a tool to keep the descendants in line. >> my dad would say when i was in high school, if you ever get into drugs or do anything, i'm kicking you out of my will. >> though she could never have inherited the land, the birthright was passed from father to son. not daughter. the custom started with the moore family patriarch who handed the farm down to his two sons, roger and gus. now in their 70s. each of them had a son born just a year apart. paul and peter who were in line to one day run the farms as partners. cousins but raised more like brothers. here they are in 1978. cutoffs. fishing bare handed. huck and tom. they were on the same football team. roger's son, paul, was smart and handsome. part of a playboy.

gus' boy, peter, two rows down, was tough and blunt, hot headed really. >> pete has a reputation, i think over in calusa county, his mouth basically has given him a lepation becau reputation because of the things he said. >> i'm a little different than the rest of them. >> oh, boy, he is. calls it as he sees them when it comes to his own family. >> too much money involved. everybody is afraid of what they might lose if they say something. even if it's right. >> there was one family member pete did have a deep connection with. his grandfather, the family patriarch. >> he -- he was special. >> he taught peter about farming. about tending the orchard. >> he hi was his eyes. >> but hwhen his grandfather died, pete's life changed quite suddenly. >> after we buried my grandpa,

in short order, i was pretty much told by my dad and mom that they didn't need my help anymore and i don't foe whethknow wheth animosity because i'd gotten close to their dad. >> after a particularly ugly fight with his dad, pete was exiled from the land of plenty. moved north of this eden into town. and started a landscaping business. >> my wife and i had nothing, i mean, when i say nothing, i mean nothing to do with the moores. >> and paul, paul remained a family golden boy. his doting grandmother made sure he never went without. paul married a local beauty. this is his wedding video. he waited for the day when he'd reign over the land. but he was never involved in the big questions, when and what to sow, when to reap. those multimillion dollar decisions were left up to

roberto who'd once been a lowly field hand, but anyone could see roberto was a natural farmer and gradually trust and responsibility and the owner's affection came to rest with him. >> paul and i were the boys in the family. >> yeah. >> we should have been the next in line. it wasn't fair. it was -- it was a slap ifn the face. >> and to make matters worse, roberto brought his brother, eduardo, in as his assistant. the cousin, they birthright withheld, fumed. >> paul had come over and tell me horrible stuff about ed and robert. that lobt wrobert was saying ab. he said that robert was -- robert told paul that he was going to get my share of what my dad was going to lea leave me oe ranch. >> fair to say your nerves were raw about ed and robert. >> oh, no, i was mad. i'm going be honest with you, there was a lot of animosity. >> so much so that one day pete

jumped into his truck and drove down to the farm and called roberto out. >> i told him, let's go. >> your intention was to fight him. >> oh, yeah. it settles things. >> but roberto politely declined. he had a farm to run. the next time peter heard anything more about roberto, it was that he was dead. what did you think? when you heard that he was dead? >> i was told it was an accident. >> which is certainly what it was, at least according to the experts from pg&e. to be sure, the detective called explosive experts from a neighboring county. >> just to ask them, hey, have you ever heard of an electrical panel like this blowing up? and they hadn't and at their own insistence came out to look at what we had and informed the opinion that it was possibly an explosive device. they in turn called atf and fbi. >> to salm, that the felt like jumping the gun.

last thing he wasnnted was the g city feds treating him like a country cop crying wolf. >> i have atf and fbi showing up. i was a little overwhelmed. i was a little concerned that maybe we're calling these big agencies for help and really what we have is an accident. we had bomb guys saying it was a bomb. but they're bomb guys. >> right. >> you know, we're not 100% convinced it's a bomb yet. >> then three days after the explosion -- >> we got a visit from paul moore. >> paul. pete's beloved cousin. the handsome golden boy of the pair. told detective salm he found something. out at the scene of the accident. something that shouldn't have been there. >> he came across a piece of metal that he found. looked like galvanized iron or some kind of galvanized metal and the piece of metal said to him there was something more going on. >> did he have any other ideas about what may have happened? >> he did. he could us his cousin, pete, made threats toward the victim in the time leading up to the

incident. >> and there was more. paul showed detective salm texts he received from peter sent from the very ricefield where roberto was killed. >> the text was dated the time and day before. coming up, the focus shifts from the nuts and bolts of electrical explosions to an explosive personality. >> he was always the one that had something mean to say. he was always the one that hated him. that was the only person i could think of. >> why did you hate him? >> he was arrogant. he flaunted stuff in my face. >> pete had a reputation for being a real hot head. without hardly an effort, pete could piss you off. >> when "dateline" continues. ws

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district attorney john pointer is one of calusa's most popular. >> by the way, changed at 8:45 -- >> been in office nearly 30 years. knows where the skeletons are buried. and knows just about every prominent family in the county. including the moores. >> if i said they were odd, that'd be a good way of sum l summarizing it. >> odd? >> yes. >> odd, how? >> you don't hear a lot about a lot of families but hear about the moore family. >> because they complain publicly about the family or complain in such a way that people -- >> complain in a way that other peep found out about it. >> and the two kuszecousins --

>> pete i've known for years since i've been here, had a reputation for being a real at he hot head. lot of mouth. without hardly an effort, pete could piss you off. >> when paul came to the authority and said i think pete is responsible for this, did his suspicions seem plausible? >> yes, it did. we knew pete didn't get along with his family. we knew pete had a hot head. we knew pete had access to the property. >> and for paul to denounce peter who was like his brother, sad, perhaps, but made sense to the d.a.'s office which signed off on the warrant to have pete's house searched. it was just a few blocks away. >> went out to grab a bite to eat. when we came home, we saw them at the house searching the house. >> mary ellen is peter moore's wife. >> couldn't believe it. >> dwroid you think it had something to do with what happened? >> i didn't think that first. say what are they doing at our

house? >> i got out of the car, said what the [ muted ] is going on here, two cops escorted me to the front of the house. >> mary ellen and peter asked what was going on, they were land ed handed the search warrant, investigators were asking about anything connected to bomb making. >> i said how do you know it's a bomb? >> that's the first you heard it said? >> we thought it was an accident. >> did they seem to be accusing the two of you? >> yes. >> both of you? >> yes. >> were you frightened? >> what were you afraid of? >> that they thought we did it. >> around calusa, the raid on peter's house just days after roberto's death was big news. a neighbor began sending out realtime updates on facebook. >> there was a parade of cars driving around the whole neighborhood. >> as these detectives were asking you questions? >> as they were going through my house. >> and when they left? >> they took our computeers and cell phones. we had a business.

nobody could call us. >> meanwhile, the whole neighborhood was watching this? >> yes. >> but the search, said detective salm, didn't yield a thing. >> we didn't find anything as far as bomb-making materials. instructions on bombs. even anything remotely close to that like gun powder. >> sure. >> or fig like that. >> so pete was doing something, he wasn't doing it at his house. >> not that we could find evidence of. >> he denied he had anything to do with it? >> yes, he did. >> though pete couldn't and didn't try to deny his hatred for roberto. why did you hate him. >> he was arrogant. flaunted stuff in my face. >> felt the man, as this was biblical l, stolen his birthright. a lot of people around town knew about that. when they heard that peter moore's house was being searched -- >> i thought it was pete all along. >> why? >> he was always the one that had something mean to say. he was always the one that hated

him. and that was the only person i could think of. >> there was a lot of town talk going on. lot of gossip. rumor. about a week after his house was searched, pete got a visit from a friend who had heard some things. >> i was working one day, he saw me, a highway patrol friend of mine and backs up in his highway patrol car and goes, what the hell are you doing? working. no, you're not. get in your car, get to the c y city, go to sacramento, get an attorney, pete. they're coming after you. you're their number one suspect. coming up -- >> i didn't know what to think. i'd never seen anything like that before in my career except on something similar on tv. >> though pete's in investigato to learn their victim may have made a very different and deadly enemy. >> the letter implied that roberto had messed with a drug cartel. >> when "dateline" continues. with uncontrolled

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all right. richard lui. happy thanksgiving to all of you. officials in california say the deadliest wildfire in the state's history is 95% contained. the northern california camp fire has been blamed for 84 deaths and destroying over 13,000 homes. and thousands braved record low temperatures in new york city today to watch performers and giant balloons at the 92nd annual thanksgiving day parade.

the balloons on the parade route flew lower than previous years because of concerns about high winds. now back to "dateline." the bureau of alcohol, tobacco and firearms has become something of a legend at solving puzzles. these little bits and pieces. fragments of this and that were about all that was left around roberto's body the day of the explosion. story in there somewhere thought the atf agent brian parker was assigned to find out what it was. what does this tell you overall? >> it tells us there was an incredible amount of force in the explosion. >> most of these pieces were once part of the electrical box. >> you have washers, different types of hardware in here, screws, nuts, wire. >> other pieces just trash but a few fragments, just a handful, looked like day were pieces from a different puzzle. odd.

>> cells from a 9 volt battery. galvanized steel that's been ripped apart. >> parker sent out the misfit bits and pieces to the atf west coast crab lab for analysis. >> to determine whether or not that was explosive residue present on some of the fragments collected at the scene. >> like gun powder, gasoline, fig. >> correct. >> there was this. discovered on the fifth day of the investigation. the panel box door found 160 feet from the site of the explosion. >> about four feet tall. about two feet wide. probably weighs somewhere if the neighborhood of 15 to 20 pounds. >> this where the large hole is would be the bottom of the panel. >> the forensic scientists of the atf continued their battery of tests. hunting for bomb residue. fingerprints. dfa. all the while detective david salm was on peter moore's tail waiting for him to make a mistake. did he go to ground? did he leave? what'd he do? >> he didn't leave. >> what were people saying

around town that you were hearing? >> we were hearing that people were saying that they thought pete did it. >> they were following us everywhere. >> didn't make a secret of it, either, said mary ellen from them or the neighbors. >> how did they start to look at you? >> like we were guilty. >> after they raided my house, i spent days eyeing. days and days. you know, i'd be at work and just crying because you don't know what's going on. you don't know -- you don't fknw who to trust. >> how much were you watched? >> i walk woke up every morning people outside my house. put everybody thinks you're a murderer. >> some of pete's own relatives seemed convinced of that. his sister, mary, stuck by him. >> i'm amazed at how much talking goes on there without no actual evidence of, you know, it's a lot of gossip and people in your business. >> mary placed a call to one of the investigators.

told him they were going after the wrong guy. >> he was extremely rude and said you and your family just need to accept it, your brother did this. i just broke down in tears because i thought they just didn't like him as a person. and i think they just, to me, my opinion was they wanted it to be him. >> four weeks into the investigation, peter moore was not just the top suspect. he was the only suspect. they had no physical evidence, though, that a murder had even occurred. but they continued to watch and wait and the weeks slipped by. then a month after the explosion, there was news from the atf crime lab. they had found something. >> there was the presence of explosive residue on the metal fragments that we submitted. >> so it was a bomb. a murder. then the veryfection day -- >> i'm sitting in my office. talking about what we're going to do next. the civil deputy walks s with

big manila envelope. says colasa county's sheriff's office. in the upper right hand corner, there's eight stamps on it. which, and it was pretty light. so it was way too muchpostage. >> inside, a single piece of paper. an open letter to the cops. what did that letter say? >> basically it was claiming responsibility for the bombing. >> the letter full of misspellings and bad grammar had been written on a label maker and photocopied. its author claimed to be a military trained contract killer who'd been hired to kill roberto over a mexico deal gone wrong. >> and that it was ms-13 behind it. >> what the heck is ms-13? >> it's a violent el salvador yan criminal street gang.

>> and roberto was supposed to be a target of this group? >> the letter implied that roberto had messed with a drug cartel and that ms-13 had been contracted. >> the author of the letter taunted the detectives. writing that lab results would find military-grade powder but no dna. which is true so far. but the point of the letter wrote, its author, was a warning. roberto's brother, eduardo, was next on the hit list. the writer said he had turned down the job to kill eduardo, but a second assassin would soon be on his way. do k yyou think it was a hoax, you think it was real? >> i don't know what to think. i'd never seen anything like that in my career before except something similar on tv. >> one thing about that strange letter was all too obvious. whoever wrote it had inside knowledge because nobody besides the cops knew what the atf had discovered. >> we hadn't told anybody it was

a bomb. so for somebody to write a letter claiming responsibility for a bombing, that lends some credence to the fact the author of that letter was the real thing. >> weird. all too weird. detective salm and the others went home for the weekend to digest what they had just read and seen and then monday morning, salm's phone rang. 7:00 a.m. >> said, hey, get in here, we got another one of those l letters. i came to work. there's a second letter sitting on my desk. this one was slightly smaller, manila envelope, half sized manila envelope. configured the same way. label maker address. way too much postage again. >> whart was inside that one? >> a diagram of a bomb. coming up -- invitation from a killer. >> the letter said if you have any questions, place an ad in

the "sacramento bee." make sure it's the last ad. >> and another victim in the cross hairs? >> keeping that stuff confidential was important to the integrity -- >> a man's life might be in jeopardy. >> we gave him as strong a warning as we could. >> when "dateline" continues. g . >> when "dateline" continues. at so he has the energy to keep moving. delivering joy every step of the day. dr. scholl's. born to move.

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on august 15th, 2011, 30

days after roberto's death, investigators received in the mail this hand-drawn picture of a bomb. what did you think when you saw that diagram? >> shock. >> we were amazed. absolutely amazed. i'd never seen anything like that before. >> the device, as shown in the diagr diagram, was a two-inch pipe bomb placed next to a one-liter soda bottle full of gasoline. spray painted black. a large bolt tied off with a fishing line and acting as a drop weight would fall on a rat trap causing it to strike a firing pin. sounded like a rube goldberg device. the author also said there was a second secret triggering device as backup. either way, the bomb was designed to go off when roberto opened the door of the electrical box. could have been anything. now suddenly ancient parker saw how they fit. those confusing bits he'd been poring over for the last month.

>> almost as someone sent us a cover to the box. >> they matched the bits to the diagr diagram. >> the first thing i looked for was the bolt. there it was. >> the thing that made it exceptionally clear was the fact the bolt still had some fishing string attached just underneath the head of the bolt which is how it was depicted in the diagram. >> so it would have been hanging from that string? >> correct. >> as a weight? >> right. and so that was very clear that that bolt was, in fact, part of our device that was described in the letters. >> and there were fragments of a plastic soda bottle. black paint still clinging to them. again, just like the diagram. >> there was a spring that was similar to a rat trap spring. there was gasoline on the victim's clothing. and then we recovered pieces of a 9 volt battery that we were able to determine that had no business being in that panel. >> so if you found the writer of those letters, you had found your killer. >> that was our opinion, yes.

>> along with the diagram was a second letter. in which the bomber repeated his earlier claim that he was a reluctant assassin. after a career of killing, he wrote, i want to save a life before i take my life. the bomber repeated his warning, roberto's brother, eduardo, was next. in fact, the whole family was in mortal danger. >> he said i wanted to make sure you get this letter and have time to help these guys. >> so it was sent as if i'd been assigned to do something, i don't want it to happen, i want you guys to prevent it. >> that was basically the gist of the letter. >> did you warn ed? >> not exactly. there are things in the investigation that we could not release. there was information about the letters that we could not release. keeping that stuff confidential was important to the integrity -- >> but the man's life might be in jeopardy. >> we did talk to ed. we gave him as strong a warning as we could without going into

specific detail. >> one of those details was that the killer had been given a deadline. >> and the letter said, i was given eight weeks to do this job, and it will be reassigned in five weeks. i wanted to give you guys time to help these guys and do something about it. >> so you at least had some time. maybe. >> maybe. >> dave tells me they had received the letter and the letter had mentioned me. >> roberto's brother, eduardo. >> he says, you be careful. watch yourself. >> but it wasn't just eduardo in the cross hairs. the letter writer claimed whoever was driving roberto's now repaired pickup truck, the white f-250, the bomber wrote, was in great danger. who was that person? robe

roberto's son, jesus. the threat against was looking very real. >> it was real. it didn't just look real. it was real. a lot of sleepless nights. >> because this ex-marine not only had a farm to run, but as he saw it, a murder to solve and now two families to protect. >> going through my mind was just look out. you know, take care of the -- take care of my brother's family. primarily take care of my brother's family. take care of my family. look out for myself. look over your shoulder. >> the first thing eduardo did was hide the pickup truck. but now with the truck out of sight, would the killer or killers find a different or better place for a bomb? >> once everybody's asleep, all i could do was think and think and run things through my mind. >> it's somebody sneaky and violent enough to plant a bomb to kill somebody and he did it to one person, there's nothing's going to stop him from doing it to somebody else.

>> in this second letter, the bomber left open one possible line of communication. >> letter said if you have any questions, place an ad in the "sacramento bee." august 21st issue. help wanted. make sure it's the last ad. >> and so they placed this classified ad. and waited for a killer to call. coming up -- a son's all too close call with death. >> we had an argument that morning. i didn't get to tag along with the ride that day. >> you might otherwise have been. >> i would have been the one to get off to go check that pump. and another member of a moore dynasty comes forward with a fresh piece of evidence. would an answering machine message finally solve the question about a motive for murder? when "dateline "continues. "dats or a new snowboard. matt: whoo! whoo! jen: but that all changed when we bought a house. matt: voilà!

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♪ whoever heard of such a thing. purported letters of a killer. and a diagram of what looked like the bomb that killed alberto. was it real? a ruse, a lucky guess? even more, who sent it? was it from peter moore or a hit man as the letter claimed or was it from somebody who wasn't even on detective somms radar. five weeks into the case, it was about the only lead investigators had. so they played along with the guy. placed an ad in the sacramento b. and sure enough, somebody responded. it was just an unlucky guy

looking for a job. the killer, though, the killer never called. this whole ms-13 thing was just some sort of game the real bomber was playing. the problem was, nobody knew the rules or the purpose or where the game might end. more than one way to find a guy brazen enough to send that material to the cops. >> we had the letters we wanted to get analyzed we wanted fingerprints and dna. what was going on? to investigators, one theory seemed the least likely. that roberto was mixed up with ms-13. the a iello's are a normal family. he knew the land, he knew the machines that worked it, he was utterly committed to that work.

>> what did working that farm mean to your dad? >> that was everything. it was our life and his life, our whole life revolved around it, we were always there. growing up. >> first jobs as kids, right? >> yeah, learn how to drive on the farm, pretty much do everything on the farm. >> tell me about your dad. what kind of guy was he? >> he was someone to look up to, a hard worker. we admired him. it did not go unnoticed on the moore farm. over the years, roger and gus came to rely on roberto. they treated him like a son not just an employee. >> how important was family to alberto? >> it all revolved around us. we didn't have much, but

everywhere he went we went too. >> so we were always together. >> whatever went wrong, he was the one to go to, he was the one to keep everybody together. >> latino culture celebrated coming of age when a girl turns 15. when roberto's daughter turned 15? >> he went all out, i was the even girl, so he did everything he could to make that day the best. >> what kinds of things do you do? >> you have to have your father/daughter dance. you feel like you're the only person that exists at that moment. like you just feel important. you really do feel like a princess? >> probably won't ever forget that? >> and, of course, for teenagers, there is another right of passage, butting heads with parents, which that last morning may have, pure chance

saved jesus' life. >> we always went to work together. and for some reason we had an argument that morning. so i didn't get to tag along with the ride that day. >> you might otherwise have been there? >> i may have been the one to get off to check the pump. >> why would anyone want to hurt him? >> i can't think of a reason why someone would want to kill him. >> and this bomber, whoever it might be, came very close to also murdering fabian. >> if you want my button pushed, bring a child into it. >> the d.a. found fabian's plight to be particularly heart breaking. >> i couldn't math seven years old and seeing my dad blown up. and running all that way. >> people don't understand, it was maybe a couple miles as the crow flies. but to run through what we call co louisive mud, it was mud fields. he was covered in it, you can

hardly walk-through it. for him to run all that way, it was amazing. i remember asking him if he knew what 911 was. he told me and he was right. i asked if he knew how to use a cell phone. i asked if his dad had a cell phone. yes, he did. why didn't you use your dad's cell phone. he was reaching out like this, he said, i can't, it's in his pocket and he's on fire. yeah, that stays with you. >> now, these taunting letters from roberto's killer, almost taking prideful delight in how he killed the man, and almost murdered the boy, who could it be? who would do such a thing? and why? then, four days after the diagram showed up, one of the alpha males of the moore clan walked in the front door, roger moore, paul's dad, like his son, wanted to help catch the killer and told the detectives he had important evidence to share. it was an audiotape, answering

machine messages his nephew pete left on his phone. coming up -- investigators discover a brand new suspect. >> we may have somebody else to look at. >> but who are the hunters and who are the huntsed. >> and all of a sudden the tire went flat. >> as police go after more evidence. someone comes after that, leaving a taunting message out in the fields. >> here i am, i'm doing this to you, now come find me. >> when "dateline" continues. ins ♪ wingardium levitoga ♪ wingardium leviosa ♪ thanks. the perfect gift isn't just about getting something. it's about getting someone. nobody knows the wizarding world like we do. barnes & noble.

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roberto aiello, manager of the california farm, owned by the moore family, had been killed by a complicated homemade bomb. the prime suspect? pete moore, famously hotheaded. he believed his father may have given his inheritance to aiello.

roger moore believed an audiotape from his answering machine could help detectives who still didn't have enough evidence to make an arrest. the voice on the tape? roger's nephew pete. >> this is pete. i've worked for 29 years doing what i'm doing, so i could eventually own the farm. >> pete wanted to talk about being disinherited. >> i've been taken out of my dad's will. >> the phone messages contained nothing directly incriminating. after being diverted about those strange letters about assassins and a drug gang. the investigation was now back to where it started, that peter moore was the prime suspect. but just as all eyes were focused in one particular direction, the very next day the phone rang.

six weeks into the investigation detectives had an audiotape, texts, letters, and diagrams. fragments of leads pointing in wildly different directions. to pete moore or a drug cartel or crazed assassin. and now they had another lead to work on. >> someone made an anonymous call to the sheriff's department and said, the caller basically stated, you need to be looking at paul moore, and. >> paul, not peter? >> paul not peter. >> for all the produce that comes rolling out of colusa county, california, it's population of humans is small. just 22,000. everybody seems to know just about everybody here. so when a would be anonymous tipster called the sheriff's office, it turned out he wasn't anonymous at all. >> the detective who took the call, recognized the voice. and phoned him right back about. >> hey, you need to come in and

talk to us. the caller as it turned out was this man, dave moore, cousin of roger and gus, with a multimillion dollar spread of his own and a passion for war birds. dave's stepdaughter had once been married to paul. this is a video from their wedding day. a messy divorce followed a few days later. >> david and susan moore came into our office. >> susan moore is dave's wife. >> what did they say when they got into the office? >> the first thing they told us was a wiretapping incident. >> wiretapping? >> yes. >> paul tapped his wife's phone, to spy on her during divorce negotiations. sure enough, here are the court documents. in 1997, paul was arrested on four counts related to tapping both his wife's and in-laws phones. he pleaded guilty to one count of electronic eavesdropping, a felony. the other charges were dropped,

and paul served no jail time. but the wiretapping story was just a prologue to what they were really there to talk about. >> who do you think is capable or responsible for actually setting up the explosive device in that panel? >> i think like probably 90% paul. >> but dave and susan couldn't give a reason why paul would want to kill roberto, other than they felt paul just had the kind of personality to do that. while pete didn't. >> you don't think peter is capable of actually developing a very sophisticated device to create an explosion in. >> i am doubtful of it, i don't know him that well, that well. but i really wouldn't think he could. >> okay. >> and i -- i also think he doesn't have the moxie to do something like that. >> what do you mean moxie? >> the meanness in it.

>> but peter had actually threatened roberto, wanted to fight him. and as far as anybody knew, paul had never done anything like that. nevertheless, based on this new information from david and susan moore. detectives asked paul to come in for another meeting. >> come in, have a seat. >> which he did, quite willingly. took time off on a sunday afternoon. and he asked paul correctly. >> do you have a prior criminal record? >> yes, i was into drugs and stuff when i was younger. >> committed felonies, in fact. then he said he just grew up. and now wanted to help in anyway he could. even if it meant informing on his beloved cousin, peter. >> i think pete was a little envious of robert. i think he felt his dad treated robert better than pete got treated when he worked there. he said something about his dad taking him out of the will.

>> one thing, though. paul like his second cousin dave, didn't think that pete was capable of making that bomb. somebody must have helped him. >> i just don't think pete has the technical ability to do it. unless -- he seriously had some help. >> so this type of thing was done by somebody who's pretty intelligent? maybe he got some know how? >> that's kind of what you guys said, and i -- i think that's right. >> who do you think is capable of -- >> remember, paul's ex-in-laws told detective psalm that paul was more likely the guilty party. >> probably 90% paul. >> now the detective turned the tables a little, suggested it was paul who was jealous of roberto. >> i didn't hate robert. >> did you not like him? >> i didn't like the fact that he would cop an attitude with

me. and over something stupid, you know, and little. >> detective psalm impressed paul about his past. >> you got several incidents where -- can. >> i have a criminal record. >> you've been involved in some bad stuff. >> i -- >> you have cut phone wires. >> i've tried to help you guys out through this whole thing, you're going to start copping an attitude -- >> i'm not trying to cop an attitude with you, but i'm having trouble with some of the stuff you're saying. >> i know my word doesn't mean -- i was a felon. everybody knows about it, i have to put up with a lot of [ bleep ] there. >> this must have put a whole different complexion on paul? >> it did. >> having thought for some time that maybe peter was your guy. what was that like? >> it's possible we may have somebody else to look at. >> and indeed they did. attached gps trackers to both peter and paul's vehicles, which produced precisely nothing.

more weeks slid by. eduardo aiello aware he and his family could be the killer's next targets. lay awake at night. >> i would imagine peter trying to build this bomb. had to do it on a workbench, obviously, but he's got the shakes. so i think about that. did he, or did he have somebody else do it for him? and then i think the same thing about paul? by working side by side with the guy, i could see that he was smart. super smart guy. >> by the time the rice crop came in, first couple weeks of october. the whole case had gone into a kind of stall. atf agent brian parker was particularly frustrated. the door of the electrical panel had been recovered, the box itself, where the bomb had been placed was still missing.

>> the most logical place where that remains of that panel was, was in the river that was directly behind where the explosion occurred. >> so they called in an fbi dive team. which spent days mucking through the bottom of the canal next to where the bomb had gone off. and agent parker, who had been monitoring the search, had a strange incident as he was leaving one day. >> and all of a sudden the tire went flat. >> this is what flattened the tire, a homemade spike. >> the spike was constructed of a harvester sickle that was welded to a two inch washer. further inspection of the area, we found another one of these speaks. >> almost like a challenge to us, here i am, i'm doing this to you, come find me. >> basically, they're coming after the cops. coming up, investigators may be able to fight back with new ammunition. as they finally turn up scientific evidence on one of the letters the killer sent. >> there was a dna profile on

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three months after the booming, the fbi dive team found the electrical box in which the bomb had been placed. after months of sitting in water and mud, there was no trace of dna or fingerprints. the only story this peeled metal told was, this case is going nowhere. >> now with, little hope of finding that key piece of evidence that would put the suspect away, shoe leather and tire tread, around the clock surveillance aided by geo fences. >> i put a pretty big geo fence

around where i live, around the sheriff's department. >> protection he felt he needed, after someone targeted law enforcement with those spikes on the road. >> if the vehicle or gps monitor travels into those locations, you get an alert. >> in addition, the detective would log in to check on the whereabouts of peter and paul's trucks. on the morning of thanksgiving day, more than four months after the bombing. psalm turned on his computer to find the gps tracker on paul moore's truck. >> had gone dead. we had no signal whatsoever. this is also the type of gps you can call, calling on the cell phone, and wake it up, because they go to sleep when they're not moving, where are you? well, we couldn't get a response from it. >> the device may have died or been found. salg am got into his car with his partner, drove to the house to see if the truck is there.

i look in the kitchen window, he's staring at me. >> detective psalm hit the road. >> he pulls in behind us following us down the road. >> i speed up, he speeds up. i'm about doing 85. i slam on the brakes and he keeps going. we pace him, i lose pace of him at 95. i called him in, and chp was able to get a stop on him. >> what was that all about? >> i have no idea who chases the police. >> that's the first time that's happened to me in my career. >> now your suspensions are ratcheted up to say the least? >> there were concerns for our only safety. we're dealing with a person who is violent enough to plant a bomb. >> but was that person paul moore? >> paul had a criminal history

to be sure, but was he a killer? >> there were certain things about paul's past, detective psalm was unable to share with us, for reasons we'll explain later. we discovered a saga of smart expensive lawyering, dealing with misdeeds that go way beyond tapping an ex-wives telephone. in 1997, paul was arrested after an incident in san francisco one night. charges that could put paul in prison for a decade or more. instead, paul spent nearly flee years, driving back and forth between his place in colusa and san francisco. the result? paul simply got probation, after pleading no contest to assault with intent to commit rape, but denying blame for the offense. >> the other charges were

dropped. but this put paul on the california sex offender list. he went into exile near santa cruz. paul's intent to commit rape conviction was dropped seven years later. he pleaded no contest to the assault with a deadly weapons charge. which meant he was no longer a registered sex offender. and the prod gal son was welcomed home. that part of his past. a carefully guarded secret for most of the folks here in colusa county. everyone knew he didn't like roberto aiello. around town, could you hear what

people were whispering? >> pete, pete, pete. >> but not paul? >> not paul. >> then, five months into the investigation, there was news. a male leg hair was found under the label of one of the vfls, and the dna came back matching nobody. no one in the moore family or anyone in the codis database anyway. odd, had it been planted there to throw off investigators one of these envelopes finally gave up what appeared to be a real clue. >> there was a dna profile from fingerprint ridge detail on the back of one of the stamps that was afirmed to one of the envelopes. >> what was sent back? >> the contributor of the dna from the fingerprint material was similar to paul moore. >> case closed, right?

>> not this time. this time there was a butt. >> similar to paul moore. but it wasn't a match. >> the dna sample was so minute, that forensic scientists were unable to build a full genetic sequence. the scientists couldn't say it was a 100% match. and while the dna didn't match anyone else in the moore family, including peter, the fact that paul couldn't be excluded. was nothing that could hold up in court. >> it was beyond frustrating, to hear that we have an almost match, but we can't say for sure. still, it did give them an idea, they get one shot at it. might work. coming up. >> that got my attention right away. >> exciting doesn't begin to describe. elated, maybe? >> the most amazing thing notice world. this is the smoking gun.

>> a killer seemingly revealed by a blank sheet of paper. >> i got chills going down the back of my neck, this is not happening right now. >> when "dateline" continues. if you're 65 or older, even if you're healthy, you may be at increased risk for pneumococcal pneumonia - a potentially serious bacterial lung disease that can disrupt your life for weeks. in severe cases, pneumococcal pneumonia can put you in the hospital. it may take weeks to recover making you miss out on the things you enjoy most.

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hi, i'm richard lui with your top stories. subpoenas to james comey and former attorney general loretta lynch, calling them to appear before the committee early next month. comey is happy to answer questions, but only in a public hearing. for millions of americans in the northeast there thanksgiving, it was the coldest. all experiencing unusually low temperatures. for now, back to "dateline." the dna evidence in a came back as a partial match to paul moore was into the enough to get

him charged with roberto aiello's murder, far from it, it was enough to get people in town whispering. >> rumors are like bat smell, they move fast. >> eduardo heard those rumors, heard that maybe paul had something to do with roberto's murder. which placed roberto in the hitchcockian situation of working side by side with the man who may have murdered his mother. >> i look at limb just like i'm looking at you. and in the back of my mind i'm thinking, you're the one that did it. >> while the dna result from the stamp wasn't strong enough to hold up in court. it was significant to get a warrant to search paul's home. for whatever that was worth, five months after the murder. >> he had done a plagiar cleaning of his house. we had a conversation about this. >> like what's the point?

>> the decision was made, i didn't want to leave it untouched. >> your expectations are not that high? >> no, they weren't. >> with just this one crack at paul's house, detective psalm wanted to make sure they did a thorough search. he called together a team of investigators from various law enforcement agencies. >> before we served a search warrant, we had a briefing. >> one of the cops helping him was a detective from a neighboring town. >> he actually showed us the diagram of the bomb and that's what we're instructed to look for. >> anything related to that? >> yes, anything related to bomb making. >> they arrived enmass right after daybreak, unannounced, of course. paul waited outside while each investigator took a piece of the house, and in they went. >> i found some manila envelopes, copier and a printer. >> the problem was, paul's home,

owned by the moore family, doubled as the farm office. there were printers and copiers, envelopes, expected to be there too. >> as you go around and found those things, what were you thinking? >> we really want that one really really good piece of physical evidence? >> and what did you find? so far it wasn't it? >> no. >> what did you find of probetive value, anything? >> we didn't find anything. there were two cell phones in the car. >> basically nothing. >> no. >> due tektive ruiz was assigned to the dining room, which clearly doubled as an office. >> what did you see? >> i saw a lot of paperwork. >> files everywhere. >> room was full of paper? >> yes. >> the sun was just breaking over the horizon. >> long rays of morning light angled through the blinds. detective ruiz was poking through all those papers and office supplies. when a curious thing caught his eye. it was a way that almost

horizontal beam of light glanced off a blank sheet of paper. >> i noticed that white sheet of paper had several impressions on it. >> you mean writing on it? >> yes, when you draw something on a top sheet of paper and it goes through? >> that drew my attention right away. it was one of those moments where i was like, hmmmm, the paper bowed in half, i got chills on the back of my neck, it just -- the hairs are standing up, no way, this is not happening right now. and one of the officers that was helping us looked at me and goes, what are you looking at? it was just a blank sheet of paper. i'm like, you're not going to believe this. you need to get detective psalm now. >> he's holding this white piece of paper in his hands and he's got it bent a little bit. he's like, look at this. immediately i'm looking at this

going, oh, my god. what he's holding in his hand is an intented writing copy of the diagram we received in the mail. >> this is the sheet of paper detective ruiz found. you can see the inden tensions of the bolt threads about a third of the way down. here's the same sheet of paper enhanced by the atf crime lab. here's the original bomb diagram mailed to investigators in august. >> this is the smoking gun. >> unbelievable. couldn't believe it. exciting doesn't begin to describe. elated, maybe? >> then what happened? >> i went out and arrested paul moore. coming up, pete moore seems to be in the clear, but he's got yet another shock in store. >> there's no scale for this. this changes you forever. >> when "dateline" continues. george woke up in pain.

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little colusa california was dumb struck. paul moore arrested for the killing of roberto aiello? few knew he was a suspect. >> it was bittersweet, there was a part of me that was relieved that it was over for pete or that he wasn't -- you know, mixed in with it, and at the same time, i was sad, because it was my cousin that we grew up with, you know, and it was part of my family. >> my youngest sister mary called me on the phone and she said, they just arrested paul for the murder of robert aiello. i was in the middle of the parking lot and i fell to my knees and started screaming. >> human nature is a funny thing. suspicion once embedded is remarkably resistant to evidence and might disprove it.

when paul moore was arrested and charged with the murder of roberto, his cousin peter began to experience that phenomenon personally. pete has never been arrested, never been in trouble with the law. runs his own business. has been a good father, and over the years has taken in wayward teens to give them a better start. kids like nick hecker. >> other foster homes, they do it for the money, pete he didn't ask for any money in return. he fed me, clothed me, gave me a car to drive. and now i -- i look at pete like a dad. and anybody that has anything bad to say about pete has never taken the time to get to know him, he's a good loving person with a huge heart. and we need more pete's in this world. >> why were the cops so focused on pete to begin with? >> well, as pete tells it, his cousin paul planned the whole

thing. set out to frame him. first by lying to him, telling him that roberto or robert, as pete calls him, was out to steal his birth right. >> paul would come over and tell me horrible stuff about ed and robert, like he said, robert told paul he was going to get my share of what my dad was going to leave me of the ranch. paul would come over and say stuff to me, and he knew he was going to make me want to go say something or fight with somebody. >> and pete said he was simply blind to paul's plmanipulation. >> when you're going through your every day life. and someone set you up for over a year and a half. you don't know who to believe. and so it kept everybody at odds. my life was so spun out of control, i couldn't figure out what was going on. >> but pete's wife said she could clearly see paul was baiting pete. >> he would talk to him all the time. >> when pete got home, would he be upset? >> yeah, he would be angry, upset. telling us things that we didn't

even know if they were true. >> dave and sue moore told investigators they too thought paul had been setting pete up. >> they talk a lot between themselves, too. i think paul has been able to manipulate peter. >> pete just didn't see it, didn't realize he was being played by his cowsen? >> that just couldn't be. >> we grew up together. we were together every day. our parents bought us walkie-talkies when we were 7 and 8 years old, i would sit in the back bedroom, he lived down the block on the corner, and we would talk to each other until we went to sleep. now peter's cousin paul, the princeling, the golden boy was about to go on trial for the murder of roberto aiello. as for pete, the person who was treated in this town like he bore the mark of cane. >> i've had several low points in my life. there's no scale for this. this changes you forever.

>> the next chapter wasn't a lift from the book of genesis, more like the story of job. >> one thing that's kind of unique maybe, or special about colusa county, every time i've had a big case, i can go into almost any coffee shop or restaurant and they're solving it for me. >> and those things get twisted pretty fast? >> they get twisted really fast. in this case, it was, you know pete moore did it, you know pete moore did it, my response was, well, that's not the direction i'm going in. >> not the direction at all. in fact, the d.a. was about to put pete on the prosecution team as a key witness against paul. making pete work with the same people who at one point were hoping to put him in prison. and that uncomfortable fact was irresistible cat nip for paul's defense attorney. pete's first day on the stand. >> you're a murderer, aren't

you, mr. moore? coming up, the defense says it was pete who had the motive to kill one man and implicate another. a master plan that would give him everything he wanted. >> peter is the one who has indicated, i've been in landscaping for 20 years, i'm broken down, i want to be in the farming operation. what better way to take out roberto and to take out paul. >> when "dateline" continues. chd when we bought a house. matt: voilà! jen: matt started turning into his dad. matt: mm. that's some good mulch. ♪ i'm awake. but it was pretty nifty when jen showed me how easy it was to protect our home and auto with progressive. [ wrapper crinkling ] get this butterscotch out of here. progressive can't protect you from becoming your parents. there's quite a bit of work, 'cause this was all -- this was all stapled. but we can protect your home and auto when you bundle with us.

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in the months following roberto's murder, investigators suspected peter moore was the bomber and built a case against him. so when peter's cousin paul was arrested, his defense asked an obvious question. what if the cops first instinct was correct. what if pete did it? >> peter has animosity toward roberto. he's made threats to roberto. peter is the one that wants into the farming operation. >> linda parisi, paul moore's attorney, presented in court a mirror image of the state's

case, acknowledging that one cousin was out to frame the other. only in her version of the story, paul was the stooge and peter the mastermind. >> peter is the one who has indicated, i've been in landscaping for 20 years, i'm tired, i'm broken down. i want to be in the farming operation. what better way to take out roberto and paul. >> the prosecution was forced to call pete as a witness. knowing that would make him a punching bag for parise. >> she said, you're a murderer, aren't you? >> i said those are your words, not mine. >> she thought she could uncover the evil, the monster. >> david druliener -- >> i was completely satisfied that there was no monster to uncover, and so i -- for the

most part, let her go at him. >> a courtroom tactic not appreciated by pete. >> after the first day i said, you need to get this lady off of me, they are on me like a dog on a piece of raw meat. >> they said, there's nothing we can do for you. >> one hour, his testimony felt like eight, i can tell you that. it was excruciating because i knew what he was going through. >> paul's attorney claimed that pete somehow planted the imprint of the bomb diagram in paul's home. >> mr. moore who works at that desk daily, he never notices it? if he's your culprit, he never sees an indentation of a diagram he drew and thinks, oh, my gosh, thank god i saw that, let me get rid of it. >> did raises so many questions.

>> it begs the imagination to think that peter would know enough about when the police are going to arrive, and know that some junior officer is going to happen to notice this very faint piece of diagram on a white piece of paper that he would have never seen if the light had been different. >> if they don't find it, my plan didn't work. but if they do find it, it's a home run for me. and there's very little risk to me, peter, to engage in it. it's not like i have to break into the police department and tamper with some evidence. >> but paul's fingerprints were all over that piece of paper, peter's were not. >> i would agree that that shows that this had been in the house. and that he may have touched, and in fact leaned on it, the way the prints were situated,

likely that one would have leaned on it to reach over to open up the window, so it was very consistent with that. >> peter, of course, denied he placed that blank sheet of paper in paul's home. said he hadn't been in mall's house in years. >> then at the trial, she played a wild card. she confronted pete with this, a video found on one of pete's computers, seized just days after the bombing. slow motion video of a rat trap snapping on carrots, but ending on a burst of flame as the trap sets off a lighter. >> and i submit to you, this video, more or less comports with the diagram. >> well, it shows a rat trap hitting -- >> what it shows is a rat trap which is an unusual triggering device. it shows a screw activating the rat trap and then an incendiary

component. >> was pete investigating bomb making ideas? >> there there is nothing on this hard drive that indicates to me that anyone was using it to research how to build explosives. >> the initial search of peter moore's computer. >> sometimes what's not there is more important than what is there. what was not there, is anything indicating someone is looking for directions on how to build a bomb. what i saw was somebody who's just surfing the internet aimle aimlessly, there was nothing about that video that was tied into making a bomb. >> and pete told the court, the laptop on which the video was found belonged to his son who was then forced to testify, which did not sit well with pete. >> i tried to keep my kids away from this. and they -- once again, they tied my hands behind my back and i had no choice. so my son had to go on the

stand. >> a sense of betrayal deeply felt by the man who speaks his mind. >> everybody pretty much threw me to the wolves. >> for three days, you were essentially on trial i mean, your cousin was on trial for murder. but it was like you were on trial for murder. >> i was on trial. i was. i was on trial basically for my life. and i had no protection. >> with pete off the stand, the prosecution team still had a case to make, but with limited evidence. they couldn't mention the dna found on the stand. not conclusive. nor could they tell the jury about paul's previous assault and intent to commit rape convictions in san francisco. not relevant, in addition, linda parise claimed there was no motive, no reason for paul moore to kill roberto. >> for all of law enforcement's

investigation, they could not come up with anyone who said, i heard paul moore say he wanted to hurt roberto. >> no, but they did find this document on paul's computer, titled, my life. a rambling self pitying skraed. i think my dad thinks i'm stupid, he's always saying how smart robert is. ultimately, the trial came down to a single sheet of blank paper. almost like a rorschach test for the jury. what would they see? paul moore's guilt or a plot to frame him? coming up, a verdict that will divide this tight knit town and rip apart this family all over again. >> we just started crying. >> when "dateline" continues. and muscle pain. only aleve targets tough pain for up to 12 hours with just one pill.

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for much of his life paul moore had found ways to charm the folks around him. get away with bad behavior. at his trial in sacramento, paul's defense attorney followed what was a familiar script. she accused peter of murdering roberto aiello. >> peter moore has a lifetime of making threats. paul doesn't make threats to roberto, paul works with roberto. >> which is how parise presented paul to the jury. as you know, paul had a deeply troubled history with the law, violent sexual offense in his background, but the jury didn't get to hear about that. nor were they told about the dna that was found on the envelope contained in the bomb diagram. >> would the jury see the same paul moore that prosecutors saw? >> he's almost like a marvel comic book arch villain. he's bright, clever, evil as can be, and he's got a flaw to him.

his flaw is his arrogance. >> the jury retired to think about it. they were not fooled. after five hours of deliberation, they walked back into the courtroom and declared paul moore guilty of murder. >> the judge sentenced him to life in prison. >> i remember driving away from the courtroom and my wife and i were together. and we just started crying, because we knew it was over. you know, i did a job, i went in there, i did my job. i told everything i knew. and it -- and it wasn't easy, because i basically put away somebody who i loved. >> but pete is not so blind that he doesn't see how he was used by his boyhood playmate.

the kid with whom he once spent those long lazy days on the river. the man he treated and trusted like a brother. >> what do you think paul's motive was? why did he kill robert? >> he used to always talk about, robert thinks he's so smart. and so by killing him, he feels like in his own mind he got one over on robert. i believe paul's trying to finger me for doing it, and he and his dad would have the whole place to themselves. that's what i believe today. it's the only thing that makes sense to me. >> pete wishes the moore's could all go back to the beginning, when the farm meant family. >> if i had it my way right now, i'd be running the ranch, grandkids would be over here enjoying themselves. you know, it would be like a family run business. >> but that's just a fantasy really. the family's divided more now than ever.

>> it's like we're all our own worst enemies. i've asked people in the family where does all the anger come from? because it's like the whole family's mad. >> i wish there weren't so much hate and anger in our family. and that we just -- everybody treated each other like a family is supposed to treat each other. >> throughout the trial, paul's father roger believed his son to be innocent. and after the verdict declined to talk to us, his own son convicted of murdering the man he treated like a son. other members of the moore family declined our request for interviews after the verdict too. even most of those who support pete. they said they didn't want to stir things up. >> i know some of the people that you talked to, and i know they backed out, they called and told me. i respect them for calling and telling me. but it's all about what possibly might come somebody's way. >> would it be fair to say some

members of the family are afraid to talk to us because they may be disinherited? >> that's 100% true. nobody wants to do what's right for fear of losing their chance at some money. >> would you want to have this farm? >> no. >> why? >> it's too much anger here. >> rumors, whispers and lies can come disguised as truth just about anywhere, including a small town in the california valley. >> whispers are still working their way around town. people still talk? >> yes. >> what do you hear them say? >> i guess the most recent one was, well, pete must have at least been involved? so they've moved to some. >> one of the reasons d.a. pointer agreed to talk to us, was to make perfectly clear to

his friends and neighbors that peter moore was in no way involved in roberto's murder. >> i get the feeling that some people are mad it wasn't me. when you're looked at as a murderer, it's not like you can voice your opinion to someone because you're looked at as a murderer. no one will take me seriously any more. where i go from here i don't know. i want peace in my life. i want to be left alone. >> what's the moral behind all of this? if there is one? >> well, that's a big question. there's so much involved here. i'd say the moral of this story is, be happy with what you have. respect the family that you do have. >> and the aiello's -- >> i was relieved, i didn't have to look over my shoulder any more. i knew at that point that

everybody was safe. >> after their father's murder, jesus went off to college as did paola and fabian? the boy who ran for miles through those fields of sunflowers trying to save his dad's life has grown into a disciplined athlete, plays football, baseball, soccer. and wanted to talk to us about his dad. what did he want for you? >> a good career. >> did you talk about that with him? >> yes. he told me to study hard. >> what do you want the world to know about your father? >> that he was a good person. he would always want to do things, he would take me out. when he had something to do. >> you were the apple of his eye i bet you? >> yes. >> you loved to be with him? >> yeah.

>> two families in the great fertile valley of california, one of them worth millions, and the other far more. > what goes on behind the closed doors of a marriage is not always apparent to the outside. >> my wife fell asleep in the bathtub. i just came up here, and she was laying face down in the bathtub. >> something wasn't right. she was just unconscious. >> a beaming bride. a haunting death. >> he was just telling me he could never ever love another woman as much as he loved her. >> what had happened? >> did she have an aneurism? did she have a seizure? >> police were baffled. >> i expected something to be wet. i expected there to be water on the floor. >> things were not adding up. >> something was screaming to me, "something's bad, wrong." >> could this death have been deliberate? >> she was murdered.