the calendar says, softly, sometimes the horror of halloween is the real thing. >> that is all for this edition of "dateline." i'm natalie morales. thank you for watching. >> i'm craig melvin, and i'm natalie morales. >> and this is dateline. >> i got a call from allision and she told me he was missing. >> they asked would anyone want to hurt him? i knew that my dad had been on match. com. >> this is not going to end well. this is a crime scene. >> miles off nothing up here, it's an easy place for a man to go missing. >> i said, what do you mean they can't find my brother? >> he was the school superintendent, not the type to play hooky. >> he really loved teaching and working with kids.

>> turns out he wasn't missing, he was dead. >> so your missing person case has become a homicide. >> correct. >> that solved one mystery, but left another. why would anyone want to kill him? maybe it had something to do with a woman in his life. he had broken off his engagement with one. >> i just found out he was dead this morning, and now i feel like i'm a suspect. >> and there was somebody else nobody knew about. >> i was lonely, just needed someone to talk to. >> did it also get a little steamy, mary? >> yes. >> passion and a secret the wrong person discovered. >> her face looked like she had seen a ghost. >> stay with me. >> you have a phone call, i think you need to take. >> hello and welcome to dateline. keith reed was a school superintendent who was

respected by his students and adored by friends and family. when he didn't show up at an out of town conference, it set off alarm bells. investigators would take a hard look at keith's love life for clues, and it would be another person off everyone's radar who would help detectives piece together this puzzle. here is dennis murphy with at close range. >> winter comes early and stays late in far western new york. the farm is near chuck ottawa -- and almost families -- but in this place a frozen stillness, the hottest of passions, boiling jealousy came to call one day. and tiny clymer, southwest of the county, is still shaking off the shock shock of it all. joe gerace was the sheriff of chautauqua county. >> in my 35 years in law

enforcement, i can never remember a homicide in this county? never -- in september 2012. keith reed, 51 years old, was a longtime educator who had landed in the sweet spot of his professional career. the up until then school principal had applied for the top administrative job in the clymer district with his big brother kevin urging him on. >> he says, it's this little school out in chautauqua county called clymer. i don't know whether i should apply there. i said, you know, apply. >> you might think a close knit community like clymer would be standoffish to newcomers. but parents and students quickly embraced a hands on mr. reed. his eldest daughter katelynn. >> he greeted the kids in the morning, coming off the bus. he talked to them during the day. he was in the hallways. he really loved teaching and working with kids and he was wonderful at it. >> the new superintendent had

three grown daughters and a painful megan is the middle child. he loved to have fun. he would always dance crazy with us, like, pick us up in the air and slides between his legs and throw us up. >> and the old family snapshots, hiking in hawaii, disney world, all the christmases, seemed to show a dad over the moon with his three girls. katelynn was a star volleyball player and all american. and new without a doubt when her father is in the stands on game days. >> you could hear him? >> i could. everyone could. >> her dad was in a long term relationship with a single mom named kimberly roush. >> he had three daughters and i two boys. and a lot of our time was spent being involved in their sporting events. >> they'd been on again off again for years, but no sooner had they decided to take one of their periodic romantic

timeouts from one another then they'd rubber band but back together. >> a song would come on, he pulled the car over, take me out of the car, and dance along the side of the road. being with him was amazing. >> and now that his girls were grown, keith reed was at long last finding his special place, getting comfortable. he bought a big house in town. a sign the superintendent wasn't just using clymer as a career steppingstone. >> he found where he wanted to be, finally after years and years of looking. they'd have to pry him out with a bar. >> but on saturday morning, september 22nd, 2012, when clymer's school principal and bailey drove by his friend and colleagues house, he was surprised to see both of keith's vehicles still in the driveway. the superintendent was meant to be across the state at an educators conference. >> i just made a mental note, i was going to be coming back by there, both vehicles there all stop and see what's going on. >> when all looked the same on his return trip, the principal pulled into the drive. >> i actually went into the

door of the house and yelled his name, and of course there was no answer. >> someone else who started to wonder what was up that saturday was katelynn. the two spoke by phone every day. >> he didn't answer my phone call, and that saturday. i thought that was a little strange, but i was really busy, so i kind of forgot. >> by sunday, his little middle daughter meghan had become very concerned. she hadn't heard from him either. worrying. >> i was, like ok, answer your phone, it's time to answer your phone. i was confused because he always just answers the first time we call. >> that sunday night, her uncle kevin, a former fbi agent of 20 years, was being called to the house in clymer via school official. >> they said, we can't find your brother. i said what do you mean, you can't find my brother? he was supposed to be at a conference in albany, he didn't check in at the hotel. both cars still at the house. i said, okay, we are coming. >> kevin is hoping for a simple explanation that they'd come upon his brother on the

property hurt and maybe unable to get up. >> my hope was he had gone out back, there's a huge tract of land behind it house and had fallen down and was laying out there, and couldn't get up. >> when he walked into the house, the former fbi man didn't like what he saw. >> i started looking around, and here is $600 in his wallet, his suitcase is partially packed. i came back downstairs, said everybody out. everybody out. what are you talking about? i said, go in the garage, this is not going to end well. this is a crime scene. >> principal ed bailey was taken back by kevin's comment. >> i understand we have an issue here that keith is not where we thought he should be. but what do you mean it's not going to end well? >> the principal had called the sheriff's office to report keith missing. deputies had responded to the scene. >> nothing added up. he had a bag packed, it looked like he was preparing for his trip. but nothing else that was out of place. >> deputies broke out flashlights and searched the

house, the grounds, but no luck. keith reed was flat out gone. and it's really a mystery to him, when they leave the house. >> correct. >> sunday night ended in drenching rain. darker than usual around the house. they had't yet figured out why the exterior lights by the garage weren't working. they hadn't talked to the neighbors about some loud voices they heard. where was the school superintendent, mr. reed? >> coming up -- as the search continues, police make a startling discovery. >> so your missing person case has suddenly become a homicide. >> correct. and it was like, wow. >> when dateline continues. abetes? discover the power of 3 in the ozempic® tri-zone. in my ozempic® tri-zone, i lowered my a1c, cv risk, and lost some weight. announcer: ozempic® provides powerful a1c reduction. in studies, the majority of people reached an a1c under 7 and maintained it.

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forget this . a snippet of cell phone video superintendent keith reed at the end of the first day of school in september, 2012. in three weeks time, the high-profile educator would be reported to the sheriff's office as a missing person. >> the school superintendent that everybody loved. the kids loved him. he was there every morning greeting them as they get off the bus. >> keith's last known whereabouts was dinner with a friend on friday night. a security camera caught him leaving the restaurant around 8:30 pm. the next day, he was a no-show at a big state educators conference across the state. his brother kevin reed,

a former fbi agent, had a bad feeling about things when he arrived at his brothers house sunday night. >> i went right into fbi mode. i didn't have time to get emotional. >> his brother, grounded, stable, reliable, was no one's candidate to just one day go missing. especially not then. why, just a few weeks before, he had had the moment every dad lives for. walking his eldest daughter, katelynn, down the aisle. >> it was one of the most momentous days of his life. he was just -- i've never seen him that happy. >> at the reception, he even busted out his signature dance moves. >> he lived it up on the dance floor. >> he was a very happy guy? >> yeah, he was. 2012 -- >> but now, as dawn broke a month later, monday morning, september 24th, keith reed had vanished. the sheriff's people were dispatched again to do a daylight search of the grounds. it wasn't long before a canine handler reported back. keith reed, his body, had been found.

>> immediately, the dog and he found the body in the shrubs. >> keith's girlfriend kimberly was driving to a new job that morning when she got the news. she couldn't believe what she was hearing. >> he's dead. they found him. i just started crying and i said, no, that's not possible. >> but tucked into the hedge row about 50 feet from his driveway lakeith's body. he had been shot three times, twice in the back, once in the chest. all at close range. >> it was like, wow. how could this happen? who could've done this? why would they do it? >> those same questions were soon roaring through the halls at the keith school. principal ed bailey had gotten the news from the sheriff's office. >> i just about dropped the phone. i just couldn't believe it. >> we're talking about keith reed? >> yeah, my friend. >> along with a shock in the community, came an unnerving question. given the national climate of school related shootings, could keith reed

have been targeted because of his work leading the district? an angry student, a disgruntled parent? was any of that even remotely possible? >> i'm thinking and going back through. did he have any enemies. who possibly could have been upset enough crazy enough to do something like this? you know? >> did you come out with any possibilities? >> there was one incident that i know of that the family was very upset with him. >> school related beef of some kind? >> school related. but, you know, nothing out of the ordinary. nothing that should have ever rose to this level. >> neighboring districts were understandably on edge, too. were they next? >> my phone blew up from other schools. are we in danger? is this beginning of something bigger? there was a lot of people worried. >> and concern only heightened, the sheriff said, when word spread that an unknown man had stopped by keith's school around noon that friday, asking to see mr. reed. >> had told him that he was applying for a job as a substitute teacher. that he

came in from connecticut, looking from work. >> the man, seen here, was captured on school surveillance cameras. was this visitor a piece of the puzzle? detectives didn't know. but given the potential nightmare of schools and children in jeopardy, it was more important than ever for the sheriff to have all hands on deck at the crime scene. david foley was county district attorney at the time. and he was there when a door to door canvas turned up a critical clue for the timeline. >> a neighbor couple had heard gunshots, three gunshots, friday evening. somewhere around 9 pm. >> on the property itself though, detectives found themselves frustratingly short of clues. but they did recover in the grass a soggy piece of paper that looks like a receipt. it would be work for the lab to figure out. and around the garage, investigators took note of something perplexing. three exterior lights, the bulbs were missing. >> why are the bulbs gone? this is odd. this was really odd. >> so, somebody had done some planning?

>> rang the doorbell, can't see who is out there, flips the light on, nothing happens. opens the door. there is his assailant. >> so, the shooting of the superintendent for a grievance unknown became one theory to pursue. but detectives were about to hear a story that would make them look at the crime scene in a completely different way. something more traditional. was it possible that keith reed was the victim of a bad romance? as it happened, a candidate for a suspect, someone on again, off again, was about to pull up into the drive. >> coming up -- angry texts put a girlfriend in the hot seat. >> i just found out he's dead this morning. and now i feel like i'm a suspect. >> when dateline continues.

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admired school superintendent, had been found in a hedge by his house. he'd been shot three times. keith's brother kevin, a law enforcement veteran, had caravaned to the house monday morning with his 80-year-old parents, expecting to search for a missing person. the shiver broke the news. >> now i've got my mother wanting to go and cover him up with a blanket because he's cold. try that sometime. it's a crime scene, mom. you can't go up there. it's tough. >> as the reed family struggled to make sense of the horror, investigators would put the

question to keith's daughters. did they know of anyone who had a reason to hurt their dad? >> we could not think of anyone to tell them. no one. everyone was just, no. >> but a name had occurred to their uncle kevin. of the leads to sort through, he suggested investigators look at keith's on again off again girlfriend of many years, kimberly roush. >> i said, first thing you need to do is talk to kimberley. >> and where did that come from in you? >> experience, and knowing the relationship. >> the investigators learned from kevin and others that the superintendent's relationship with kimberly had a time spin rocky. they had been engaged to be married, but keith recently called off the wedding. >> by the time some was over, who was like, no, we are not doing this. >> was this what's the crime scene was all about? a deadly confrontation between a man and his lover, upset over a canceled wedding? kimberly, who lived almost two hours away raced to the house.

>> i said kevin, what happened? i said, did he have a heart attack or something? he said no, somebody shot him. and i just started sobbing, and i started to go down to my knees in the road. >> investigator randy boland was assigned to talk to her. >> she is crying. very, very emotional. so, i immediately go and speak to her, but i give her some moments. >> but in the investigators eyes, kimberly quickly went from grieving girlfriend to potential suspect. he asked for her phone. >> i said, okay, is there a reason why? i was kind of shocked. >> it turns out that keith had asked kimberly to join him at the educators conference that weekend. she said they'd never finalized the plan, but she had been mad at him for not returning her calls. >> she gets very upset in her

text messages back. like, i can't believe you are not talking to me. and they are half violent. like, why are you not calling? we >> really slimming stuff, right? >> yes. >> and something else, in keith's bedroom upstairs, crime scene analysts noticed this picture frame. it was toppled over and taken apart on the a bookcase. whatever picture had been and it was gone. you could put a sort together with that pretty easy, right? >> the pieces of the puzzle were just starting to come together. >> investigator boland brought kimberly in for a formal taped interview. she was read her rights. >> i mean, i'm still in shock. i barely have my head around that he was killed and now i feel like i'm going right from that into, are you the one that killed him? >> i just found out he was dead this morning, and then i show up and i found out he was shot. and now, i feel like i'm a suspect. >> kimberly told investigator boland she'd been three hours away at her parents'house at

the time they believe keith was shot. she admitted that while she did get angry with him, she would never hurt him. >> never in a million years, no matter what he said or did, did i ever consider or conceive the thought of harming him, or hurting him, or living without him. >> i remember feeling absolutely terrified, and i thought i have two little boys at home. i need to get home. they don't even know he's gone. >> in some of your messages, you've displayed that he has -- >> people say things in anger. >> anger, you know what i mean? >> have i've been angry? you you bet i've been angry. anybody would be in some certain situations. that doesn't make them a killer. >> but had there been a trigger leading up to friday night? the investigators saw in kimberly's text messages that she was intent on getting back from mr. reed a high school diploma. something she thought might be at his house. >> i used the f-word and said

i'm sure you are obviously there with another woman, and i don't even care. i need my bleep diploma, why don't you just [inaudible] bleep phone up. you think i'm going to show up and shoot him over my missing diploma i can't find? i would go there, look through the bins, find it, take, it and leave. >> but what about that picture frame? detectives thought it might have been toppled over during a fight. >> no, we've never broken pictures of each other. so, i really had no idea what they were talking about. >> investigator boland confronted kimberly with a working theory, thinking keith was away, she stormed over to his house with a male friend to get her diploma back. only keith was still home, an unhappy surprise. >> there is an issue here where there's two males going at it. did you see something you didn't want to see? seriously? >> i wasn't there. >> not at all? >> not at all. >> they were thinking i was

guilty of this. and i loved him so much, i could never have even thought of doing anything like that. >> the nearly three hour long interview was over. kimberly was still in the crosshairs, and the thought was terrifying to her. >> am i going to go to jail for something i didn't do? >> but investigator boland had his doubts she had anything to do with keith reed's death. >> she didn't leave my suspect list, but at the same time, she seemed genuine that she would never do something like this. >> meanwhile, there had been a very puzzling development in the investigation. the sunday night the superintendent was reported missing, the cops had asked the phone company to ping keith reed's cell phone to ask it the technological question, where are you? the phone answered back electronically, i am in harrisburg, pennsylvania. >> this man is dead and hedges by his, house and his phone is in harrisburg, pennsylvania? hours away? >> hours away. >> a school superintendent dead

at his home. his phone more than 200 miles away. what was going on? >> things get way more complicated when a second woman makes a phone call to the sheriff. >> coming up -- >> i don't know. >> just relax. >> she was very, very upset. >> when "dateline" continues. ♪ it's the most wonderful time of the year ♪ claritin provides non-drowsy symptom relief from over 200 indoor and outdoor allergens, day after day. feel the clarity and make today the most wonderful time of the year. live claritin clear. kids, one year they want all dinosaurs stuff the next, camels. - llamas. - llamas. so save money shopping back to school on amazon. you sure that's not a camel? yeah. whatever you say. shingles. some describe it as an intense burning sensation or an unbearable itch. this painful, blistering rash

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i'm natalie morales. police discovered that kimberly roush and her on again off again boyfriend keith reed were going through a rough patch around the time he was shot dead. detectives had their eye on kimberly, but they were about to hear from another woman in keith's life who would change the course of the investigation. once again, here's dennis murphy with "at close range". >> of the many details concerning the homicide of well liked school superintendent keith reed, perhaps none was more perplexing them be murdered man's cell phone. why was the phone company reporting its location as harrisburg, pennsylvania, four hours south of the crime scene? >> i thought maybe it was a mistake. you know? no one knew of anyone that he would know in harrisburg. >> in the hours after keith's, i body was found, relatives frantically called that phone, desperate to get a voice on the other end. the sheriff was shocked on monday when one of them hit pay dirt. >> he said, i just call keith

it reads phone and somebody answered. i said what? >> that's a holy cow moment. >> oh, yeah. >> turns out the person saying hello was a construction foreman on a bridge near harrisburg. the phone had been found on some scaffolding which suggested to detectives someone in a car had tried to toss the phone into the river. >> it landed on a bridge deck that had been set up to do repairs to the bridge. it was a very lucky break for us. >> what are the odds? >> one in a billion. >> while this recovered cell phone was on its way to the fbi lab, crime scene analysts spent the next day at keefe's house, scouring the property for clues. district attorney david foley knew the clymer, community, on edge about a school related shooting. was anxious for the case were to he solved. but unrest was a long ways off. >> it would be nice to arrest people quickly, but you can't count -- >> no. >> but late one afternoon, something totally out of the blue happened that turn the

investigation upside down. the sheriff was in a closed door meeting when a secretary interrupted. her face looked like she had seen a ghost. -- a panic struck when was on the phone. she needed to talk to the sheriff immediately. the sheriff returned to his office so he could take the phone call. >> i don't know. >> okay, just relax. >> her name was mary taglianetti. she was calling from robert virginia. no one in keith's life including his daughter meghan, had never heard of her. >> that mean anything to? this mary woman? >> not at all. >> anyone in the family? to the ring a bell? >> no. >> -- didn't know the name either. but would soon realize that this mary was a man that he had taken to dinner during an off period with kimberly. >> i remember him saying he was going through an off period, but no, nothing ever came from it. >> but now, this mary was on the phone. >> she was very, very upset.

>> okay, stay with me. this is going to be okay, relax. >> i kept her on the phone purposely, as long as i could. and while we were talking, i had my staff scrambling to get somebody in law enforcement to her home. >> almost 400 miles south, officers in virginia brought mary to an interview room. she was the second woman in three days investigators were speaking to about the murder of the superintendent. >> i'm glad they have these here. i just might need them. >> oh, okay. >> mary says she and keith first developed a relationship on match. com. she separated from her husband and had moved to with her four children to upstate new york. after 11 years of marriage, she says she was trying to figure out how to get back into the dating game. >> i was a lonely and just needed someone to talk to. a friend. >> mary says she was intrigued by the superintendent and responded when he sent her a message saying hello. >> i said, yeah, you really our

good-looking. but we started talking and re-had some things in common. and then he asked if he could call me. >> they talked enough for a couple of months, she says. keith, who always had a soft spot for someone in need, provided emotional support as she struggled to find her footing as a newly-separated woman. >> i kind of felt lost. you know? i didn't know what to do or where to go next. and he was great. he was really encouraging. >> it was sometime in the summer of 2010, she told the detectives, that she met her online match for their one and only date. >> he took me to dinner and we had a night together. >> it was a little more than a one night stand. mary says she decided to try to make things work with her husband. keith reconciled with his girlfriend. >> we both just kind of said good luck to each other. >> so, it was like a handshake and goodbye.? >> pretty much, yeah. >> but a couple of years later,

mary says, her marriage was once again coming undone. in the spring of 2012, she tried to friend keith on facebook. he didn't accept the requests. but the superintendent did write her a message. >> he sent me a message back asking me how i was. and i told in that i was wasn't happy. and then things weren't going well. >> she says they started calling each other on the occasional evening. keith, struggling with his relationship. and mary lonely in hers, confided in each other. >>,? >> yes. i felt a little more fulfilled. -- >> but she says, their phone conversations did at times get sexual. >> was it, hello, how are you? but they also get a little bit steamy, mary? >> yes. >> still, it hardly seemed like a big deal relationship. could a single date and some suggestive phone calls really

and up to? murder in mary,'s mind, yes. but she hadn't called the sheriff to confess to the crime. nor has she called to point her finger at a potentially jealous girlfriend. no, mary had someone else entirely in mind. and the clue to who kill the superintendent could be found on his computer. >> coming up -- the secret comes out. >> it was this long thing about, don't you dare contact my wife ever again. and if you do, you'll be sorry. >> when dateline continues. why hide your skin if dupixent has your moderate-to-severe eczema, or atopic dermatitis under control? hide my skin? not me. because dupixent targets a root cause of eczema, it helps heal your skin from within, keeping you one step ahead of it. hide my skin? not me. and for kids ages 6 months and up that means clearer skin, and noticeably less itch. with dupixent, you can change how their skin looks and feels. and that's the kind of change you notice.

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renewed life to the cyber relationship tween school superintendent keith reid and mary taglianetti. now mary would explain to detectives in virginia why she feared their amorous digital trail had led to his death. >> i'm trying to give it you everything i can. >> mary met her husband rob taglianetti in college. he was and historian with the marines. she is mostly a stay at home mom for their four kids. she told detectives there 11 years together has been difficult at times. something happened that august which pushed the marriage to the rink. she was at the doctor's office when her husband discovered an email, his wife thinking keith read for the previous nights phone's sex. >> he said do you mind telling me who keith reid is? >> you know what he'd come across? >> yes.

>> mary, who struggled through the pain of separation wants once now decided to try to keep her family together. >> i was thinking about the kids. and i just thought they deserved to be in their home with their father and mother. >> but her husband was adamant, she says. if he was going to stay, there was a condition attached. she'd have to hand over her passwords. mary told the detectives he later logged onto her email account and fired off a blistering message to reed. >> it was this long thing about don't you dare contact my wife ever again. and if you do, you are going to be sorry because i have emails and i will post it all over your school. >> the superintendent responded simply and directly, back off, stay away from me, or i will take action and tell your wife the same. >> that should have been the end of things? >> it should have been the end of things. >> but it wasn't? >> no. >> after eating keith's email, mary said rob started getting dressed. she asked him where he

was going. >> he said, where do you think i'm going? >> i said you're going to go see keith? and he said, well, i guess you know me. >> does he take off in the car? >> he leaves, late. 11:00 at night. >> that all happened, he said, the night before investigators suspected keith reid had been killed. >> i had thought, in my mind, like, there is no way he is going to go all the way up there just try and beat this guy up. >> that's what you thought this was? confrontation, a fistfight? >> oh, yeah, he had gotten in fistfights before. >> for the past four years, mary says, she had been concerned about her husband's tripwire anger. >> he would have episodes where i would be afraid of him, or the children would be afraid of him. >> it had caused their separation two years before. and now she worried her husband had lost all perspective. >> i hear you saying, it may have been a love triangle only in rob's mind. >> yes. >> that's not what was going on? >> no. it was more like a connective friendship, and it was flirting. >> she says she emailed keith

several warnings, and tried to reach her husband throughout the next day, but her calls went straight to voice mail. >> i was just thinking i was going to get a phone call from the police saying your husband was acting like an idiot, but i didn't hear anything from anybody. >> mary says rob returned home saturday morning, telling her keith had been out of town. >> instantly, i was like, oh good. i was so happy. i was so relieved. >> relieved, she told detectives, until four days later, when she ran an internet search to see what her husband could have found out about the superintendent. >> there it was. keith's picture saying 51-year-old keith reed shot to death. >> i couldn't believe it. like, i lost my breath, and i was shocked. and i knew right away that it had to be rob. >> to investigators looking for the killer in upstate new york,

mary's husband made more than a lot of sense. there was keith reed's cellphones found off this bridge in pennsylvania. >> harrisburg is on the way to virginia. that makes sense to that piece of the puzzle. >> and something else clicked. remember that man who appeared at clymer central school asking to speak to the superintendent? investigators set a freeze frame from the school security cameras down to the interview room in virginia. >> does this look like him? >> yes. >> that's him? >> yes. >> mary identifies those stills as being her husband, so we know it's him in the school. >> now authorities had a suspect. but where was he? mary said a few days after her husband returned, he told her he got a new job and quit his position as a historian at the marine base in quantico. robert, she said, also packed up some things and taken off. leaving behind a cryptic note about going on a camping trip to clear his head. at the time, it

hadn't made sense to her. >> i didn't understand why he didn't want to take us, you know? if he's going to take a couple of weeks off, for a vacation. why wouldn't he take his family? >> but now, everything added up. the authorities issued a be b.o.l.o., a b on the lookout for anthony taglianetti, a manhunt was underway. >> we are actively looking for this individual, pick him up for questioning, and we consider him to be armed and dangerous. >> where were you? where were the children? we were at a hotel. >> they were worried he was gonna try and come back and look for us. >> as the authorities searched for rob taglianetti, keith reed's family up in new york state gathered to say their goodbyes. the church in his hometown was too small for the hundreds of mourners, all the people whose lives the educator had touched. brother kevin was a pallbearer. >> did you speak that day? >> i couldn't. my son had to hold me up. >> you were a wreck at that point? >> yeah, completely. >> keith three daughters,

though, did find the strength to speak. years before they had almost lost their father and a motorcycle accident. he persevered. now they were determined to make him proud. >> i knew that he wouldn't want us to be sad and depressed. i knew he would want it to be a celebration of his life. >> it was the same afternoon that taglianetti's gold buick was spotted speeding down a road near a national park in virginia. >> make the plate, pull it over, and take him into custody without incident. >> anthony rob taglianetti was charged with a second degree murder of keith reid. to the prosecutor, the theory of a jealous husband killing his perceived rival connected all the dots. but wait, the defense said, the real story of who is to blame had yet to be heard. rob taglianetti was merely the puppet, the defense would argue. it was his wife, mary, a cunning and manipulative woman who pulled the strings. >> all she wanted was to be

with keith, which means she's got to get rid of rob taglianetti. just to get him out of the picture. >> coming up -- an angry husband, or as the defense argued, a scheming wife. >> this is a story about manipulation and exploitation. >> when "dateline" continues. y. it's a protective layer outside your teeth. pronamel repair is our first line of defense. it goes deep into the surface of the tooth to actively repair it. i personally use pronamel repair every single day, morning and night.

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after the killing of the popular school superintendent

keith reed, rob taglianetti went on trial for second degree murder. he pleaded not guilty. >> ladies and gentlemen of the jury. >> the prosecutors told the jury that this case was about an explicit email that provoked a husband to kill. >> he sought out keith reed and shot him to death. >> the prosecutor laid out his case. taglianetti caught here on tape at the superintendents school, the day of the murder. a gold buick like taglianetti's spotted in reed's driveway that afternoon. and that piece of paper phone on's lawn, it was a atm receipt linked to rob's bank account. >> what a detail? >> wonderful. >> there were more incendiary details to, a flurry of them, prosecutors said, sent to keith the night before the murder. capital letters stuff. exclamation points. >> i'm going to get you. i'm going to take care of you. you don't mess with me and my family. >> and all but say goodnight forensic evidence found in taglianetti's car. in a case

under the driver seat leah 0.357 revolver. it was wrapped in a print out of his wife's steamy emails. and on the gun itself -- >> we had keith's blood not only on the barrel but in the barrel. that was the gun that was pressed up against keith reed's back. and >> and a big surprise found on robs laptop, the prosecution said. an exit strategy. hours before his arrest, rob taglianetti but what a one way ticket to israel. >> his ultimate idea was to get out of the country. >> but as convincing as the prosecution's case appeared, defense attorney told the jury it was not at all what it seemed. >> this is a story about manipulation and exploitation. >> rob taglianetti, he said, was a u. s. marine with a sterling record. a devoted husband who loved his wife and wanted nothing more than to keep his family together. his wife mary on the other hand was

master murphy later, he said, dead set on destroying the marriage any way she could. >> rob taglianetti, she wanted out of her life. keith reed, she wanted to be with him. she did whatever she needed to do to accomplish both of those ends. take robs discovery of his wife sexual emails. the defense suggested mary left that email open on purpose. why? maybe because a confrontation was -- why else, he said, would she have not alerted authorities to the impending showdown with the superintendent. >> if you are really worried about what your husband is going to do to another individual, when you call the officials? when you call the police? she waits literally days to call law enforcement. >> mary taglianetti, a prosecution witness, says she's appalled by the defenses theory and finds it preposterous. how was killing keith reid and get your husband thrown in run

suppose to solve any problems? >> i didn't do any of that on purpose. >> did you willingly provoke him, as the attorney suggests? even leaving opened that email? >> no, no, i wish they would've never left that email open. >> because that's the story the jury is hearing about you. that you are driving the events. >> yeah, that's not true it all. >> the defense attorney went even further. maybe those blistering emails from rob to keith had really been written by mary. while he denies, it he implied it could be a wait for him to frame the husband. with -- on the mind. there is no corroborating evidence whatsoever of mary's testimony that rob offered -- to try to prove that point, defensive tierney cited a phrase, in one of those messages, saying rob never would have used -- a marine doesn't refer to himself as a former marine. once rain, always a marine. >> as for what did happen on key threes property the night he was killed, the defense did not concede that rob was there.

but if he had been, he said, maybe the superintendent was the aggressor. after all he argued, it was his reputation that was at stake with if the phone sex with mary was exposed. >> when someone is confronted with that situation, who knows where they could? do >> no, there were just too many unanswered questions, to justify a guilty verdict, the defense told the jury, during closing arguments. >> the prosecutor has failed to establish the case and every element of the charge beyond a reasonable doubt. >> all rise. >> but it didn't take the jury long. just three hours to come to its decision. >> how does the judge jury to find the defendant? >> the jury finds him guilty. >> guilty of the second-degree murder of school superintendent keith reed. rob taglianetti received 25 years to life in prison. he declined to do an interview with "dateline". outside, kevin reed embraced his niece. our a brother and father killed by the husband of a woman he had dinner one time in his life. a

woman there convince keith believed to be single. so overwhelming. >> i thought i would feel relief or happy, but it just wasn't -- it was tough. >> among those thinking about keith reed's family is mary taglianetti. >> my heart goes out to them almost every day. and it's just -- it's a tragedy. and my heart breaks. >> the family is far from the only victim in this case. kimberly roush had nothing whatsoever to do with the crime, yet she says she had to endure being questioned as a suspect, while some italy still simultaneously struggling with the grief of losing a man she loved and admired. >> he's an incredible man, who loved life. his girls always came first. he was wonderful father figure to my children, as well. >> keith reed's three daughters now face a future without their

dad. he won't be there to walk the two younger girls down the i'll. or be a loving granddad to their children. or take vera daily phone calls. when do you miss your dad the most? >> when i drive home from work, i always grab my phone to call him. it's just hard without that person there. that i talked to so often. >> it has been it's been difficult for them to understand it. a devoted educator who did so much good, ripped from their lies or something so mundane. some online flirtation. a single dinner date. more flirtation. two years later, and then three quick shots. >> it's a complete waste. the lives of the kids he could've held. who knows what path they would've taken if they had contact with him? the >> homicide brood in cyberspace may sound perfectly

modern. but the combustibles are as timeless as the winter fields here. one woman, two men, and a jealousy that was all consuming. >> that's all for this edition of dateline. i'm natalie morales. thank you for watching. >> i'm craig melvin. >> and i'm natalie morales. >> and this is "dateline". we're agonizing for the last two years. initially it was panic and then it turned into torment. >> i was concerned that she was hurt somewhere. i felt so helpless. kelli bordeaux was always there for others. >> she liked to help people that needed help. >> there for her friends, there for her country. >> this was a good fit for her, the army? >> she wanted to be an officer. >> her personal life was a little more co