superintendent keith reed, rob taglianetti went on trial for second-degree murder. he pleaded together. the prosecutor told the jury that this case was about an explicit e-mail that provoked a husband to kill. he sought out keith reed and shot him to death. reporter: the prosecutor laid out his case. taglianetti caught here on tape at the superintendent s school the day of the murder. a gold buick like taglianetti s spotted in reed s driveway that afternoon, and the soaked piece of paper on reed s lawn? it was an atm receipt linked to taglianetti s bank account. what a look at me detail? wonderful. reporter: more incendiary e-mails, too, a flurry of them prosecutors said, sent to keith reed the night before the murder, capital letter stuff, exclamation points. i m gonna get you. i m gonna take care of you. you don t mess with me and my family. reporter: and all but say
prison supposed to solve any problems? i didn t do anything on purpose. did you willingly provoke him, as the attorney suggests, even leaving open that e-mail to light the torch? no, no, no. i wish i never would have left that e-mail open. because that s the story that the jury is hearing about you, that you re driving the events. yeah. that s not true at all. reporter: but the defense attorney went even further, maybe those blistering e-mails from taglianetti to reed had been written by mary? while she denies it, he implies it could be a way for her to frame her husband to show that he left the house with murder on his mind. there s no corroborating evidence whatsoever of mary s testimony that rob authored those e-mails. reporter: to try to prove that point, the defense attorney cited a phrase in one of those messages that he said rob taglianetti would never have used. a marine doesn t refer to himself as a former marine. once a marine, always a marine. reporter: a
applying for a job as a substitute teacher, that he came in from connecticut looking for work. reporter: 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 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 and 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 9:00 p.m. reporter: 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 looked like a receipt. it would be work for the lab to figure out. and around the garage, investigators took notice of something perplexing, three exterior lights, the bulbs were missing. why are the b
husband discovered an e-mail. his wife thanking reed for the previous night s phone sex. he said do you mind telling me who keith reed is? you knew what he had come across, huh? yes. reporter: mary who had struggled through the pain of separation once, now decided to try to keep her family together. i was really thinking about the kids and i just thought, you know, they deserve to be in the home with their father and the mother. reporter: 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 detectives he later logged on to her e-mail account and fired off a blistering message to reed. but it was this long thing about don t don t you dare contact my wife ever again and if you do, you re gonna be sorry because i have the e-mails and i ll post it all over your school. reporter: the superintendent responded simply and directly. back off. stay away from me or i ll take action and t
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. reporter: the nearly three-hour-long interview was over. kimberly was still in the cross-hairs and the thought was terrifying to her. am i gonna go to jail for something i didn t do? reporter: but investigator boland had his doubts she had anything to do with keith reed s death. she didn t lead my suspect list, but at the same time, she she seemed genuine that she would never do something like this. reporter: meanwhile, there had been a very puzzling development in the investigation. the sunday night the superintendent was reported missing, the cop had asked the phone company to ping keith reed s cell phone to ask the technological question, where are you? the phone answered back electronically, i m in harrisburg, pennsylvania. this man is dead in the hedges by his house and his phone is in harrisburg, p.a.? yes. hours away?