>> he 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. >> you are missing person case has become a homicide. >> 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 get steamy? >> yes. >> passion and a secret the wrong person discovered. >> face looked like she'd seen a ghost. >> stay with me. >> sheriff, you have a phone call i think you need to take. >> 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 took 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 north western new york. the farmlands told by amish and that families are encased in snow and ice for months at a time. but in those plays of frozen stillness. the hottest of passions, boiling jealousy came to call one day. and tiny climber, southwest of the county, still shaking off the shock of it all. joe gerace was the sheriff of chautauqua county. >> clymer, never. >> it began quite simply. the new school superintendent in town went missing one weekend just a few weeks into the school year. 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 brother kevin urging him on. >> it's 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 divorce behind it. but he never let lives difficulties distract from his primary role, dad. 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 slide as between his legs and throw us up. >> and the old family snapshots, hiking and hawaii, disney world, all the christmases, seemed to show a dad over the moon with his three girls. katelynn was the 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, i had two boys. a lot of our time was spent being involved in their sporting events. >> they've 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 the 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. [laughs] being with him was amazing. >> 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, assigned the superintendent wasn't just using clymer as a career steppingstone. >> he found where he wanted to be, finally. years and years of looking. they'd have to pry him out with a bar. >> on saturday morning, september 22nd, 2012, one clymer's school principal and bailey drove by his friend and colleague, southeast prized 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 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 is 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 busy, so i kind of forgot. >> by sunday, his little 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 now. you know, 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? supposed to be at a conference in albany, 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 unable to get up. >> my hope was he had gone out back, there's a huge land behind his house. he 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 a $600, his wallet, suitcase is partially packed. i came back downstairs, said everybody out. everybody out. when he talked 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 in search the house, the grounds, but no luck. keith reed was flat out gone. >> it's really a mystery to them, when they leave the house. >> correct. >> sunday night ended in drenching rain. darker than usual around the house. they haven'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 cases making a homicide. >> correct. and it was, what, wow. >> when dateline continues. is struggling to manage your type 2 diabetes knocking you out of your zone? lowering your a1c with once-weekly ozempic® can help you get back in it. oh, oh, oh, ozempic®! my zone... lowering my a1c, cv risk, and losing some weight... now, back to the game! ozempic® is proven to lower a1c. most people who took ozempic® reached an a1c under 7 and maintained it. and you may lose weight. adults lost on average up to 12 pounds. in adults also with known heart disease, ozempic® lowers the risk of major cardiovascular events such as heart attack, stroke, or death. ozempic® helped me get back in my type 2 diabetes zone. ozempic® isn't for people with type 1 diabetes. don't share needles or pens, or reuse needles. don't take ozempic® if you or your family ever had medullary thyroid cancer, or have multiple endocrine neoplasia syndrome type 2, or if allergic to it. stop ozempic® and get medical help right away if you get a lump or swelling in your neck, severe stomach pain, or an allergic reaction. serious side effects may include pancreatitis. tell your provider about vision problems or changes. taking ozempic® with a sulfonylurea or insulin may increase low blood sugar risk. side effects like nausea, vomiting, and diarrhea may lead to dehydration, which may worsen kidney problems. looking to get back in your type 2 diabetes zone? ask your health care provider today about once-weekly ozempic®. oh, oh, oh, ozempic®! you may pay as little as $25 for a 3-month prescription. ♪♪ ♪♪ ♪♪ what can i du with less asthma? with dupixent i can du more... yardwork... teamwork... long walks.... that's how you du more, with dupixent, which helps prevent asthma attacks. dupixent is not for sudden breathing problems. it's an add-on-treatment for specific types of moderate-to-severe asthma that can improve lung function for better breathing in as little as two weeks. and can reduce, or even eliminate, oral steroids. and here's something important. dupixent can cause serious allergic reactions, including anaphylaxis. get help right away if you have rash, shortness of breath, chest pain, tingling or numbness in your limbs. tell your doctor if you have a parasitic infection, and don't change or stop your asthma treatments, including steroids, without talking to your doctor. are you ready to du more with less asthma? just ask your asthma specialist about dupixent. >> one down, mr. bailey. don't forget. this >> this new bit of cell phone video shows 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 words dinner with a friend on friday night. the 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 have 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 than. just a few weeks before, he had had the moment every dad loves for. walking his eldest daughter, katelynn, down the aisle. >> it was one of the most momentous days of his life. 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. >> but now, as dawn broke a month later, monday morning, september 24th, he 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 a dog 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 lee keith's body. he had been shot three times, twice in the back, once in the chest, once 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 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 a nerve in 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. you know? 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 is a lot of people worried. >> and concern only heightened the sheriff said, when word spread that an unknown man had stopped by keys school around noon that friday, asking to see mr. reed. he >> had told him that he was applying for a job as a substitute teacher. that he was 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 is really odd. >> so, somebody had done some planning? >> rang to the doorbell, can't see who's out there, flips the lights 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 into the drive. >> coming up -- angry tense political girlfriend in the hot seat. >> i just found out this morning. and now i feel like i'm a suspect. >> when dateline continues. >> the body of keith reed, the 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 caravan to the house monday morning with his 80-year-old parents, expecting to search for a missing person. the shiver broke the news. >> 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, can't go up there. it's tough. >> as the reed family struggled to make sense of the horror, investigators have 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. >> a name had occurred to their uncle kevin. of the leads to sort through, he suggested investigators looked 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. >> where did that come from a in you? >> experience, and knowing the relationship. >> the investigators learned from kevin and others that the superintendents relationship with kimberly at at times been rocky. they had been engaged to be married, but keith recently called off the wedding. >> but sam summer was over, like no, we're not doing this. >> was this what's the crime scene was all about? a deadly confrontation between a man in his lover, upset over a canceled wedding? kimberly, who was 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 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, that. like i can't believe you are not talking to me. you know, like half violent. like, why are you not calling me? >> flipping 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 bookcase. whatever picture had been and it was gone. >> you could put a sort together without a pretty easy? >> the pieces of the puzzle were just starting to come together. >> investigator boland brought kimberly in for a formal tv 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 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 they 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 while she did get angry with him, she would never hurt him. >> never in 1 million years, no matter what he said or did did i ever consider or conceive the thought of hurting him, or hurting him, or living without him. >> i remember feeling absolutely terrified, and i thought i have two little boys that 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 -- >> anger. >> anger, you know what i mean? >> i've been angry. you've been angry. anybody would be in 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 she was intent on getting back from read 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]. just pick your [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 bands, 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. thanking keith was away, she stormed over to his house with a male friend to get her diploma back. only keith was still home, and 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 didn't, 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 asked the phone company to paying keith reads self onto asked 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 isn't harrisburg, pa? 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. ♪ ♪ ♪ ♪ just two pills for all day pain relief. aleve it, and see what's possible. we're carvana, the company who invented car vending machines and buying a car 100% online. now we've created a brand-new way for you to sell your car. whether it's a year old or a few years old. we wanna buy your car. so go to carvana and enter your license plate answer a few questions. and our techno wizardry calculates your car's value and gives you a real offer in seconds. when you're ready, we'll come to you, pay you on the spot and pick up your car, that's it. so ditch the old way of selling your car, and say hello to the new way at carvana. growing up in a little red house, on the edge of a forest in norway, there were three things my family encouraged: kindness, honesty and hard work. over time, i've come to add a fourth: be curious. be curious about the world around us, and then go. go with an open heart, and you will find inspiration anew. viking. exploring the world in comfort. i'm vinita and i are and here is what's happening, chinese astronauts arrive at their space station to commence a six month mission, and includes two men and one women. this is china's longest crude space mission. with the last one been only three months long. not of the spanish island of love palma, where several hundred people have been evacuated due to mechanical eruptions. rivers of lava are being compared to a tsunami, the eruptions began in september, no casualties have been reported, the volcano has been dormant since 1971. now back to dateline. now back to da >> welcome back to dateline. 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 uncomfortably, 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 superintendent keith reed, perhaps none was more preprint perplexing than the murder man cell phone. why was the phone company reporting its location as harrisburg, pennsylvania. four hour southeast of the crime scene. >> i thought maybe it was a mistake. you know? no one knew of anyone that he would know in harrisburg. >> and the hours after keith's 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 reed's full 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 in keith'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 resolve. but unrest was a long ways off. >> it would be nice to announcer unrest quickly. but you can't count people yet. >> 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. >> i thought it was a family emergency. her face looked like she'd seen a ghost. she said sheriff, you have a phone call. i think you need to take it. >> a panic stricken woman 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? >> 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. >> did you know that she was he was -- >> did it ring a bell. no >>.,. >>.,,. but now this mary was on the phone. >> she was very, very upset. >> they, 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. >> oh, okay. >> mary says she and keep 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 good-looking. but we started talking and re-had some things in common. and then he asked if he could call me. >> they talks on and off 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 him that i was unhappy. and things were going to well. >> she says they started calling each other on the occasional evening. keith, struggling with his relationship. and mary lonely in hers. confided each and each other. was that something in your life at that time, mary? >> yes. >> what was it doing it for you? >> it was a piece of happiness. it fell a little more fulfilled. >> but she says, their phone conversations did at times get sexual. >> was it high, 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 day and some suggestive phone calls really add up to murder? and 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. >> the internet had given renewed life to the cyber election ship between school superintendent keith reed 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 everything i can. >> mary met her husband rob taglianetti in college. he was in a the story in with the marines. she was mostly a stay at home mom to 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 brink. she is at the doctors on her husband discovered an email. his wife thanking read for the previous nights phone's ex. >> 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 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 read. >> 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 all posted 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. >> i have to read and keep this 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'll happened, she 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? >> yeah, he'd 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 caused the separation to years before, and now she married her husband had lost all perspective. >> i hear you saying it may have been a love triangle 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 robert earned 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 collect. remember that man who appeared at clymer central school asking to speak to the superintendent? investigators said 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 i'd advise those stills as being her husband, so we know it's him in the school. 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 on the lookout for anthony "rob" 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? where are the children? >> we were at a hotel. they were worried he was going to 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 know he would want 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 play, it pulled over, and take him into custody without incident. >> and the nate raab 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 read, 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. or atopic dermatitis under control? hide my skin? not me. by hitting eczema where it counts, dupixent helps heal your skin from within, keeping you one step ahead of eczema. and that means long-lasting clearer skin... and fast itch relief for adults. hide my skin? not me. by helping to control eczema with dupixent, you can show more with less eczema. don't use if you're allergic to dupixent. serious allergic reactions can occur including anaphylaxis, which is severe. tell your doctor about new or worsening eye problems, such as eye pain or vision changes, or a parasitic infection. if you take asthma medicines don't change or stop them without talking to your doctor. when you help heal your skin from within, you can change how your skin looks and feels. and that's the kind of change you notice. talk to your eczema specialist about dupixent, a breakthrough eczema treatment. the new sensodyne repair and protect talwith deep repair has theist science to showxent, that the toothpaste goes deep inside the exposed dentin to help repair sensitive teeth. my patients are able to have that quality of life back. i recommend sensodyne repair and protect with deep repair. when you hear, cough cough sneeze sneeze. [ sneezing ] it's time for, plop plop fizz fizz. alka seltzer plus cold relief. dissolves quickly. instantly ready to start working. so you can bounce back fast with alka-seltzer plus. >> a little more than a year 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's bank account. >> what a detail? >> wonderful. >> there were more incendiary cindy airy emails to,. a flurry sent to keith reed 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 lee a 3:57 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 >> a big surprise found on's a laptop, the prosecution said. an exit strategy. hours before his arrest, rob taglianetti but 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 a master military leader, he said. did say on destroying the marriage anywhere 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's sexual emails. the defense suggested mary left that email open on purpose. why? maybe because a confrontation between the two men was for a goal. why else, he said, would she not have alerted the authorities to her husband's impending showdown with the superintendent. >> if you're really worried of what your husband is going to do to another individual, wouldn't you call the officials? would 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 reed and getting her husband thrown in his run supposed to solve any problems? >> i didn't do anything of that on purpose. >> did you willing lee 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 at all. >> but the defense attorney went even further. maybe those blistering emails from taglianetti two reed, had really been written by mary. while she denies it, he implied a could be a way from her to free her husband. to show that he left the house with murder on his mind. >> there is no corroborating evidence whatsoever, of mary's testimony that rob authored of those emails. >> to try to prove that point, the defensive attorney cited a freeze in one of those messages that he said rob taglianetti would never have used. >> a marine deserter himself as a former marine. once a marine, always a marine. >> as for what did happen on keith reed's property than that he was killed, the defense did not concede that rob taglianetti 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 if the phone sex with mary was exposed. when >> someone's confronted with that situation, who knows what 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 his case, and every element of the charge beyond a reasonable doubt. >> all rise. >> but it didn't take the jury along. 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 is appealing his case and declined to interview with "dateline". outside, kevin reed embraced his niece. our 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. my heart breaks. >> the reade reed 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 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 aisle. all 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 close to impossible for his family to understand it. a devoted educator who did so much good for so many students, ripped from their lives for 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 brown grown in cyberspace may sound completely 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 lped