trying to backdoor it. it just lays out mid-in, and above the hand, and even then, it is not that tough or easy to go deep for it. >> jon: he has given up five home runs on the year now. >> jon: so here is denard span pinch-hitting for matt williamson. williamson is 1 for 3. giants need to get one man on base to send the possible tying run to the plate. >> mike: if you are pablo sandoval with a # for 56 and you can't buy a base hit, and you come out of it, you need to have true confirmation of the at-bats, but when you take kenley jansen deep on a pitch

like that, that is going to tell you that you are back. that is a get well mentally swing of the bat. that is impressive. >> jon: 2 #-1. >> jon: span has not gotten many hits lately. a and he is 1 for 16 lately at the plate. that one caught the outside edge. >> mike: you could corner pitch with a cutter, it is such an incredible weapon, especially with the hy-vigh velocity. i really didn't think that we would see anybody remotely close to mariano rivera, but this is someone you are looking at. he has a high octane cutter, and not as powerful as rivera's, but

formidable. >> jon: struck him out looking. sl slower breaking ball there. 83 miles per hour. >> mike: that is a curve. a nknuckle curf, and it just shocks you. jarrod parker many for derek law. >> jon: one out, nobody on. strike one.

up and away. one ball, one strike. by the way, jansen when he came into the game, he was slotted in the four spot in the dodger's batting order, and so a double switch. he would be due up third in the last of the ninth if they get a couple more runs. in between. 1-2.

>> jon: 4-2, the dodgers leading the giants, and everybody is standing here. >> mike: fought it off right where he wanted it, and right in on the hands. movement on the fastball is not much. it is a four to six-inch slide at the velocity, and you just can't get the sweet spot on it very often. >> jon: a chance here the -- strike three called. >> mike: backdoor. >> jon: 12th strikeout for the dod dodger pitching tonight. >> mike: just absolute perfect

pitch. >> jon: and now, ryder jones to pinch-hit for gorkys hernandez. last chance for the giants with two down in the ninth. whoa! that is shocking grandal, because it looked like it was right at the knees. >> mike: he seems to be a little upset to get the spikes out and composure back. >> jon: and it is 12-11 the d'backs over miami at the top of the eighth inning. the marlins are mounting a comeback. the dodgers can potentially tie

it with one more here. a ball and a strike here to ryder jones. jones hitting .182 in the big leagues this year. the dodgers hoping to start celebrating here shortly. and now, one strike away. strike three called. and for the fifth consecutive

year, the dodgers have won the national league west division title. and the celebration begins on the field, and the bull penners all come in. and kenley jansen gets another sa save. for him, it is the 40th save to clinch the western division title officially, and the dodgers with the 98th win. 4-2, the dodgers over the giants. the firstt of the three-game seer here. cody bellinger is the man driving in the three runs by which they won. we will be back.

>> jon: the dodgers clinching the national league title for the fifth straight year by virtue of the 4-2 win. and they are still out there by the pitcher's mound all celebratinging to, and you might say, well, that is not really what this club is all about, and winning the world series is what

that is all about and after all of the division titles they have not gotten to the world series yet, but nonetheless, this last month has not been fun 6-20 in the last 26 games before tonight. >> mike: well, they come all of the way back from philadelphia yesterday, and it is with the one idea in mind that they would close it out and do it in the front of the home crowd, and the giants have to stand back and humbly say con fwragratulations the because it is something they earned. >> jon: they have eight more games to play, but a couple more wins away from 100. and congratulations to dave roberts a former dodger by the way. and l.a. over to the giants, 4-2. we will be back with more from l.a. stay with us.

>> jon: dodger stadium and the dodgers are celebrating a 4-2 win over to the giants. >> mike: well, it is a disappointing year for the giants and watching the

celebration of the dodgers on their home field and so the giants need to let it be resolved and motivated you to get back to where they are next year. >> jon: tune into sportsnet central giants' edition on bay sports area after we sign off. tune in tomorrow at 5:00 before game two of the series. thank you for joining us here on the flagship area, and the giant giants television network all season long. for mike krukow and duane kuiper and amy g, i'm jon miller saying good night.

. one of the investigators brought somebody over to me saying, "this is our violent crime advocate." i was steeling myself for it already because of the massive police presence. they said that they believed that he had been murdered. >> craig rideout, dad of seven, cared deeply about his kids. >> he was a loving man. a provider. warm. >> so it was puzzling and alarming when he vanished. >> she said, craig's not here. i said, that's weird. >> didn't know what was happening. >> i know something is wrong. i don't know how wrong. >> a disturbing discover ne the basement. >> blood particles were found on the walls. >> it appeared that there was some kind of ambush. >> revelations about craig's

wife. >> craig didn't want to believe there was a romantic relationship between them. it became painfully obvious that there was. >> and in the park, two young men acting strangely. >> they identify colin rideout and alexander rideout. >> the victim's two sons? >> the victim's two sons. >> finally, a string of security videos would lay bare the bone-chilling truth. >> a diabolical plan is forming here. >> it appears that way. >> i was stunned, absolutely stunned. >> i remember just holding him, crying. >> this is a family divided like no other. >> yeah. >> i'm lester holt. and this is "dateline." tonight, the depths of evil revealed at a place they call "devil's bathtub." here's andrea canning. >> reporter: this is devil's bathtub, a deep, dark pond

formed by glaciers milenan ya a. it's hidden and secluded. but beyond the tangle and the weeds, a secret was about to be discovered. >> we weren't ready for this. >> the sirens in my head, red lights going off in my head. >> reporter: the discovery would tell the tale of an all-american family torn apart and a twisted loyalty hard to comprehend. >> it was like hitting a brick wall and life just stopped. >> reporter: this is the ultimate story of betrayal? >> yes. >> reporter: pittsford, new york. a pretty suburb of rochester. big houses, big families and top-ranked schools that make the people who move here want to stick around. >> in this community, you grow up in a bubble. this is -- the community's a bubble. >> reporter: the rideout family lived in that happy bubble.

chelsea noyer dated the oldest rideout boy, colin. >> i remember one of the first times i went over to his house in high school. he was cooking me dinner. and he was -- i was like, oh, man, cooking dinner, that's pretty cool. >> reporter: very responsible? >> oh, yeah. that's one of the reasons why i fell in love with him. he loved his family. >> >> reporter: and it was a big one. three girls, four boys. the rideout household was always bustling, family dinners, holidays. colin's parents, craig and laura embraced the chaos. this is craig's sister, robbyn drew. clearly they liked being parents. they were enjoying this. >> right. >> reporter: seven kids? >> seven kids. >> reporter: dad craig worked as a computer programmer and spent time mentoring kids at his church. >> craig is a outwardly personable person. you meet craig rideout, you'll like him. >> reporter: paul tucci, better known as "pj", was craig rideout's best friend.

pj was there when craig fell in love with laura. >> laura is compassionate. she's also really intelligent. i mean, she double majored in physics and english 4.0. >> reporter: as for the rideout kids, they were smart like their parents, hard working, articulate. but while they thrived, family life took a toll on craig and laura's marriage. laura had been on bed rest for some of her pregnancies, and money was tight. >> it circles back, i believe, to some financial hardships. >> reporter: it's understandable, seven children, bills. >> yeah. >> reporter: these are real life. >> real life issues. >> reporter: -- problems. craig and laura separated in 2014. craig took it really hard. >> he sent an e-mail to me saying, well, it looks like i'm getting divorced because i don't think i can talk about it without crying. >> reporter: p.j. says he wasn't surprised to see the marriage dissolve. >> sometimes you get a get feeling.

a lot of positives that came out of that relationship but there's also a lot of negatives. >> reporter: oldest son colin was away at maritime college when his parents split. >> i asked him if he was going to be okay. his first thought is i'm going to be okay. i have you. but i'm more concerned about making sure my siblings are okay. >> reporter: he decided to put family first and help out his mother. he moved back to rochester and put aside college and his goal of becoming a navy s.e.a.l. >> he left kind of his dream to put his siblings first. >> reporter: what is going to be the custody arrangements? >> the older kids were froe ee make their own choice. custody got sticky with the two youngest kids. >> reporter: the divorce still wasn't final in the summer of 2016. and robbyn says there was tension over the shared custody of the 6 and 12-year-old kids, though craig told her he was trying to make the best of a

difficult situation. >> one of the phrases that he used most recently was that he saw light at the end of the tunnel, but it was stressing him out. >> reporter: and on top of that, something weird happened to craig that summer. someone broke into the townhouse where he had recently moved. he thought it was no big deal, maybe one of his sons playing a prank. but his sister was worried, and she urged him to report it to police. >> my name's craig rideout. >> what happened? >> i wake up at midnight with a sharp pain in my arm. i jump up. this will sound crazy. a hooded black figure -- not a black man -- was running out of the room. the reason i have to file a police report is my blackberry, which was taken that night. >> reporter: robbyn made a point to talk to her brother every day. july 19th, just a few days after the break-in was so exception. >> he said i'll call you in the morning, check on you and the

kids. >> reporter: but morning came and craig wasn't returning robbyn's calls. >> if he had been in a meeting and felt his phone go off, he would have sent a response in a meeting, call you later. >> reporter: concerned, robbyn decided to pay a visit to craig's townhouse. and inside that house, the beginning of a dark family drama that could never be unwritten. >> i know something is wrong. i don't know how wrong. >> what was going on with craig rideout? when we come back, a discovery in the basement was about to provide an ominous clue. >> we found what appeared to be blood spatter on the walls. >> what they found next would change everything. >> this is a big moment in this case. >> it is.

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robbyn drew couldn't imagine where her brother craig was. it was a warm summer morning, wednesday, july 20th, 2016. you can't reach him. >> no.

>> reporter: at work. you can't reach him at home? >> right. i'm getting no response. >> reporter: that break-in was fresh in robbyn's mind when she decided to leave work at lunch and head to craig's townhouse. his soon-to-be ex-wife lawyer wa was there. she couldn't find him either. >> she says, oh, i figured it wouldn't be long before someone came looking for him. i don't know where he is. >> reporter: laura told robbyn it had been craig's night with the two youngest children. but that morning laura said the kids texted her to say dad wasn't there when they woke up. she sent colin over to get them. >> colin was always picking up his siblings. he would drive them places. >> reporter: robbyn decided to look around her brother's house. she went upstairs to his bedroom. the door was locked. >> and i thought that's really odd. >> reporter: did you worry that he might be in the bedroom? >> i was worried that he might have -- >> reporter: that something happened to him? >> yes. >> reporter: exactly what, she didn't know. she called 911. >> my brother has not been answering texts or cell phone

calls or e-mails. and i could be making a mountain out of a mole hill. >> reporter: deputies from the monroe county sheriff's office arrived at craig's, but they stayed outside, told robbyn they'd need a warrant to search the house. after all, her brother was a grown man and this was his private property. investigator dave bolton spoke to robbyn briefly. >> she called a number of times, and this made her nervous, not being able to get hold of him on e-mail or text. >> reporter: laura had gone home but came back to the townhouse with the two young kids to see what was going on. does she express she has any idea where craig might be? >> she didn't. she said that she had no idea where he might be. >> reporter: laura told the deputies craig was home when the kids were dropped off the night before. >> obviously, you're a little bit concerned about him, i guess. >> i don't know where he is. his personality wouldn't be one where he would be hurt. >> reporter: then the investigator asked the kids some questions. first, the 6-year-old daughter.

>> was he there when you woke up? >> no. that's when we woke up and dad was gone. >> reporter: last time you saw your dad was when, honey? >> yesterday. he was playing rid joe games on the computer. he went to the bathroom, then he went downstairs. and then that night he was downstairs and then he disappeared in the morning. >> reporter: the 12-year-old son told the same story. >> when was the last time you saw him? >> hm, 11:30 last night when he was going to bed. >> then what happened this morning? >> he wasn't there. so i was just guessing he went to work. >> reporter: no one could find craig. laura texted p.j. tucci. >> she said craig's not here. i said that's weird. >> reporter: colin called chelsea. were you concerned just for him? >> i was concerned. nobody wants to hear somebody went missing from their family. and i just assumed he had to step outside or go on a quick trip. >> reporter: late that night,

investigators finally had their search warrant. you go inside. >> we go inside. >> reporter: what do you find? >> an initial walk-through, the house is very neat, very well put together. it doesn't appear to be any forced entry. >> reporter: the investigators unlock the master bedroom. it was undisturbed. no craig. they looked around, found nothing, then headed to the basement. what do you find? >> there's boxes on the shelves all neatly stacked. everything is kind of in its home. and on the other side it's kind of disheveled. >> reporter: it was messy but nothing seemed out of the ordinary for a basement until they notice something alarming wee mother closely examine the area and found what appear to be blood spatter on the walls and the shelving unit. >> reporter: crime seen techs sprayed the basement floor with luminol and found even more blood, blood that someone tried to wipe away. then a discovery inside a garbage bag. >> we find what appears to be a

garrote. it's two handles with some cord knotted so you could hold on to both handles and use it as a ligature. >> reporter: a weapon used for strangulation. the evidence was telling them a story, one that wouldn't end well for craig rideout. >> we were pretty sure we had our murder scene. >> reporter: this is a big moment in this case. >> it is. coming up -- a bombshell about craig rideout's soon-to-be ex-wife. >> craig didn't want to believe that there was a romantic relationship between them. i think over time it became painfully obvious that there was. >> and then just off a country road, a passer-by sees something that will transform the case. >> in the woods, there's a body under a tarp.

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july 20th, 2016. craig rideout, father of seven, had been missing since early that morning. investigators had discovered a horrid scene in craig's basement. a scene that told them he wasn't coming home. >> we're starting to find more and more items with a lot of blood on them. >> reporter: craig's sister robbyn was waiting outside, watching the police action unfold in front of her brother's townhouse. >> and then one of the monroe county investigators brought somebody over to me saying this is our violent crime advocate. >> reporter: did your heart sink when -- >> it did. and they told me that they believed that he had been murdered. >> reporter: murdered in his own home? investigators surmised it happened overnight while his young children slept. who would do such a thing? craig's sister told investigator bolton about that break-in at craig's home a few days earlier. >> i wake up at midnight with a sharp pain in my arm.

>> he says that he was upstairs sleeping in his bed when, in the middle of the night, he was awoken by somebody pulling a hair from his arm. the male ran out of the bedroom and ultimately out of the house. >> reporter: craig told his sister he thought it was a prank. he didn't know what the make of it, nor did robbyn, but she had some other information for the investigator. details about her brother's marriage. how long had craig rideout and laura rideout been separated for? >> about two years. >> reporter: and it hadn't been a good separation? >> it hadn't been. >> reporter: the reason? laura had a new man in her life, and it was, well, awkward would be an understatement. her boyfriend was craig's old buddy p.j. tucci. paul tucci goes from being craig rideout's best friend to now being craig rideout's estranged wife's boyfriend? >> yes. >> reporter: so that doesn't always work out so well for a relationships. >> certainly not between the two of them. >> reporter: craig and laura had

been close friends with p.j. and his wife jennifer for many years. >> all of the kids, the tucci and the rideout kids, really grew up together. they would go out together. they had parties together. >> reporter: but around the same time that laura and craig's marriage was falling apart, p.j.'s wife died from liver disease. p.j. says he leaned on laura for support and laura began confiding in p.j. his best friend. >> his former best friend, yes. >> reporter: in a romantic relationship now? >> at first craig didn't want to believe that there was a romantic relationship going on between them, and i think over time it became painfully obvious that there was. >> i didn't know i was going to fall in love with laura. but that happened over time. >> reporter: does craig know about this? >> craig sent me an e-mail. >> reporter: what did it say? >> it says -- he says, i don't know if you found yourself in a damsel in distress situation and you're just helping or you have romantic feelings towards laura,

either way i'm happy. >> reporter: that's big of him. >> i thought it was an interesting -- i don't know what he was trying to elicit. >> reporter: it was certainly interesting to the homicide detective, but before investigator bolton could run down that juicy lead, he got some news. two counties over a shovel had been left by the side of the road and 50 feet into the woods a man's body was discovered. >> 911. >> we discovered in the woods a body under a tarp. >> it is near your home? >> itses sit's down the road. >> reporter: could it be craig? the victim's identity wasn't obvious right away. his killer or killers had used some kind of acid to intentionally disfigure his face. that sounds like someone had a major grudge with this person. >> it certainly seemed like they weren't interested in him being found. >> reporter: but even though the victim was unrecognizable, deputies were able to i.d. him pretty quickly.

the answer was found in his pocket. when the body was found, the victim's phone was ringing. the person popping up on the caller i.d.? it was robbyn drew, craig's sister. >> as i was trying to reach him, the cell phone was ringing in his pocket. >> reporter: you're calling and the phone's ringing in yeats county and your brother is -- >> and my brother is dead. yeah. >> reporter: sounds like some really dumb criminals to leave the cell phone in the pocket when they have gone to these great lengths of pouring possibly acid on this man. >> it does seem that they overlooked a pretty obvious thing. >> reporter: they had a crime scene, a body and a marriage with a soap opera ending. and the next bit of evidence would lead this story to an even darker place, a place called devil's bathtub. a million things must be going through your mind. >> and it gets stranger, quick. >> coming up -- a chance sighting and a call to

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the case of the missing dad was now a murder investigation. investigator dave bolton had been up for 36 hours working two critical crime scenes. the basement where craig was likely killed and the woods where his body was found. and now the investigator was about to be called to another location, that place called devil's bathtub. it's a secluded pond set deep in a 25-acre park. what is going on here? why are you called to the scene? >> there's some walkers in the park that saw something they thought was suspicious. they saw a couple of males in the park and a car parked up in the parking lot and they saw what they believe was garbage bags getting thrown out. >> reporter: and why was a homicide detective getting a

call about a case of suspicious littering? when deputies on the scene detained the two young men, they recognized their last name -- rideout. the same name as the murder victim in the case being worked by investigator bolton. >> they identified colin rideout and alexander rideout. >> reporter: the victim's two sons? >> the victim's two sons. >> reporter: colin was in the park with his 19-year-old brother alex who had just graduated from high school. investigator bolton pulled out his iphone, pressed record and he and another investigator began to ask the brothers some questions. younger brother alex was first. >> what's going on in you and your brother out for a walk? >> basically that's -- i mean we were just like out. and suddenly people show up and it's like -- i've never really encountered police before. so it was like -- >> you never ran into trouble before, right? >> no, i don't really do drugs or drink or really party. i'm 19.

i'm doing college. >> reporter: investigator bolton's radar was up. he knew craig thought one of his sons might be behind that weird break-in. now here were his sons acting suspiciously in a secluded park. the investigator decided to ask what they thought happened to their dad but without telling the boys that craig had already been found brutally murdered. >> he'd always brag i could just disappear. i figured he was on the next flight to mexico. >> reporter: colin said he didn't know where his dad was either. >> have su heard anything from your dad? >> well, i e-mailed him last night. i didn't hear from him. i heard from him monday. and he picked up my brother and sister, i think, tuesday. >> reporter: the investigator wanted to keep colin talking, and he did. so what is colin opening up to you about? >> colin starts to talk about the family dynamic and how he believes his father might be having some sort of mental issues or some sort of breakdown. >> like i've been kind of worried about him for like

stuff's just been freaking me out. >> reporter: then the investigator asks him directly, what was in the garbage bags they were trying to get rid of. >> i'm worried about what's in that bag. and if you tell me what's in that bag before i see what's in that bag, it lot be better for you. >> i don't know what's in the bag. >> reporter: investigators didn't think colin was being honest. >> did you love your dad? >> i did, yeah. >> we seek truth. i'm hoping you can be part of the truth. >> reporter: all that talk about truth worked. the boys admitted something big. they'd been at their dad's house the day before. and listen to this. >> anything you want to tell me about? >> well, there was a lot of blood in the basement. you know, and i was -- i was worried that, you know, something had happened. >> there's a lot of blood in the basement? >> yeah. >> reporter: they just placed themselves at the scene of the crime. and when the investigator opened

up those garbage bags. >> blooding clothing, there's a bloody sneaker. there's some work gloves that have some blood on them. what would appear to be evidence o a murder. >> reporter: colin, the would-be navy s.e.a.l. who always put family first and his book-smart brother alex with plans to go to college were taken down to the sheriff's office and arrested. they weren't charged with murder but with tampering with evidence, something to hold the boys while the investigation continued. how do you process that? >> to be honest, shellshocked would be the best word for it. >> reporter: colin called chelsea from jail. >> hey, hi. >> colin. oh, my god. what -- what? >> i was arrested. my lawyer says that i'm not supposed to talk about anything. >> reporter: what was his state of mind like? >> he's confused. he loves his family. he was like hitting a brake wall and life just stopped. >> reporter: was there any part of you that said maybe i don't know colin as well as i think?

>> he's just the guy that had everything ahead of him. he wouldn't have thrown it away for nothing. >> reporter: did you wonder how he ended up with the garbage bagsbag s, with that evidence? >> i think it would give anyone a pause to think about it and question. but we also know him. and we know the man he is. >> reporter: investigator bolton didn't know the rideout kids, but he knew there had to be more to the story than two nice boys deciding to kill their dad. his investigation turned to their mom, laura rideout, the woman who had been married to craig for more than 20 years and who had raised those sons. robbyn had been telling investigators about the divorce, and it wasn't pretty. >> there's a contentious separation and custody battle going on where they're really not supposed to see each other even at drop-off. >> reporter: at the same time laura and her new significant other, craig's former best

friend, p.j. tucci, were preparing for a big change. >> their intention was to move as a family down to north carolina, and that move was supposed to happen within a couple of days. >> reporter: but craig had primary custody of the two youngest and wouldn't let laura take them out of state. so then how's laura rideout moving to north carolina? >> that's a good question. >> reporter: robbyn was suspicious of laura from the moment she arrived at her brother's townhouse. remember, the day craig went missing, laura was there and she was inside tidying up. >> when i get in and i open the sliding glass door it's laura standing in his kitchen cleaning. >> reporter: that would be odd. >> it was odd. in my head i'm thinking what are you doing here? >> reporter: cleaning up a crime scene. that's what investigator bolton suspected. in fact, the boys admitted it was their mother who gave them the bags of bloody clothes. >> it was just something my mom told me, like, hey.

>> when did your mom tell you to do that? >> just this morning. >> did she give you the bag? >> yeah. >> reporter: just hours after arresting the two sons, investigator bolton headed to the home that laura shared with p.j. tucci. >> i was stunned. i was absolutely stunned. coming up -- security video from days before craig rideout's murder leads to a sickening revelation. >> diabolical plan is forming here. >> it appears that way. humira works by targeting and helping to block a specific source of inflammation that contributes to ra symptoms. humira has been clinically studied for over 20 years. humira can lower your ability to fight infections,

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laura rideout wasn't expecting sheriff's deputies to show up at the front door that evening. wasn't dressed for a trip to the county jail. but that's where she was going. >> told her to get shoes. and laura loves to wear heels. they say you need a different kind of shoe. so she throws on a pair of nike golf shoes. and they came down, and then i watched them arrest her. scariest thing i've ever seen. and her kids are there. her kids are sitting there watching their mother get arrested. >> reporter: did she say anything? >> she said what for? the arresting officer said you

had to have been expecting this. and she was like no, what? she said, if i were expecting this, i would have had makeup on. >> reporter: boyfriend p.j. says he thought there had to be some sort of misunderstanding, a terrible mistake. had laura ever said, i just wish craig was out of our lives? >> no. she wanted craig to have a relationship with the kids. she didn't have animosity towards craig. >> reporter: but when deputies searched the home where laura lived, there were clues everywhere. inside the master bedroom, a key fob to unlock craig's car. in another bedroom blue tape identical to the tape used to make that garrote found in craig's basement. bits of incriminating evidence in the home where p.j. also lived. when craig was killed, where were you? >> we were at home. >> reporter: you were with laura at home? >> i was with laura. >> reporter: the investigator believed he was with laura, but not innocently at home. and six weeks after craig's

murder p.j. tucci was under arrest, too. >> i can tell you this. i've never been in the guy's house. i know where it is, drop the kids off. i've never been in there. >> reporter: were you part of the overall plan to cover it up? >> there's no plan. >> reporter: four people were under arrest and all four let out on bail. >> colin, alex, do you have any comment? >> reporter: they were only charged with evidence tampering while investigators tried to figure out exactly who did what. no one was talking anymore. >> laura, anything to say? >> reporter: all four lawyered up and presented a united front. >> no comment. >> reporter: investigators still didn't know if this was a crime of passion or a conspiracy. and if it had been planned, who was the ringleader? investigator bolton says the answer to some of those questions came after analyzing items found on or around craig's body dumped in the woods. >> we found the bungee cords, then we also have a tarp. and from backtracking the receipts, we're able to find some video at a number of

stores, particularly the walmart. >> reporter: when investigators pulled security video from walmart, they saw what appeared to them to be a murder plot in the making. july 18th, two days before the murder, laura, colin and one of the younger kids go shopping to buy drain cleaner, drain cleaner which investigators believe was used to disfigure craig rideout's face. the next day, just a few hours before the murder, laura and p.j. are at a different walmart buying a large tarp, bungee cord and more drain cleaner. >> the tarp and the bungees matched up to the ones found on craig's body. >> reporter: and the day of the murder, here's colin buying a shovel, a shovel identical to the one left by the side of the road near where craig's body was found. diabolical plan is forming here. >> it appears that way. >> reporter: over a number of days? >> yes. >> reporter: there was laura on tape looking completely relaxed.

a wife, a mother and now investigators believed a killer. craig's sister saw a woman who had somehow turned two sons against their own father. >> honest to god, i don't know how that happened. what was said that could have turned the kids against him? >> reporter: this is the ultimate story of betrayal. >> yes. >> reporter: what do you believe happened that night? >> my belief is that the two younger children are brought over to craig rideout's house that evening. laura or paul go up to craig's room to maybe talk about this move to north carolina. i think laura's the one that gets him to come down into the basement. >> reporter: it was in the basement where investigators believe members of craig's own family and even his one-time best friend were there to do the unthinkable. >> i think the intense was to murder him with no blood at all. i think that the victim started to fight. and i think one of the suspects hit him in the head during that struggle in order toet