here's dennis murphy. >> reporter: broad daylight, morning in a busy parking lot and then pop, pop, pop, pop. >> several shots were fired. >> reporter: a man gunned down at close range outside a nursery school in a wealthy atlanta suburb. a silver minivan screeched from the lot. startled witnesses saw a man slumped on the ground. they recognized the man shot as a dad who just dropped off his 2-year-old son. a preschool, of all places, had become a crime scene. >> we are told all of the children are perfectly safe. >> reporter: the shooting victim being rushed to the hospital turned out to be 36-year-old rusty sneiderman, a married father of two. >> i just hung my head and cried. >> rusty's older brother steve was on a plane to hawaii when he got the shocking news. rusty was dead. >> walking around the plane, pacing around the aisles. i went to the bathroom and i looked at the door and i thought about jumping. >> he was desperate to get home to his family, desperate to find out what had happened to his little brother. >> my brother was murdered. no one should have to face that. >> report

here is dennis murphy with the conclusion of the betrayal. >> a funny thing happened.e exhibited bizarre behavior and stopped communicating with attorneys. still in custody. in and out of facility treatments for years until doctors found him competent again. finally in the summer of 2016, eight years after the murder, tony went on trial. >> tony, the defendant in this case. >> prosecutor argued that tony, fuelled by a jealous rage, waited in the bushes for melissa to come home. followed her in the garage and launched a brutal attack on his wife's best friend. >> it's a hands on, personal murder. it takes time, it takes premeditation and why, because she was a friend. >> but the residue of pepper spray all over the garage was evidence that melissa had fought back and some had apparently gotten on the killer. tony's house mate testified the night of the murder he saw his roommate scrubbing his arms. he said he got pepper spray on him and his hands were burning and itching. >> then an expert on cell phone tracking told the jury tony had both melissa's phone and his own pe

here is dennis murphy with "secrets in seattle." >> seattle was raw after a week of relentless winter rain. a woman lost had been found in the tangle of the blackberries. a naked body. a small tattoo on the back. a necklace and signs of strangulation. the detectives sent to a patch of trees and boggy undergrowth near the seattle airport's runways guessed it was her. they would soon be proved correct. nine days to find her, the answer to where. another seven years still ahead to answer the questions of all homicides, who, and why. but we have to go back, before the crime scene photos and the medical examiner's findings, before she became those chilly words, "the victim." to find the dearly loved person named nici. nici pietz, wife and daughter, sister and friend. >> she seemed to be able to uplift people in ways that none of us knew how to do. >> she had a way to make you smile. she had a way to let you know that everything was going to be okay. >> gayle was her mother. >> nici was sunshine. she was the kind of person that when she walked in a room, the room lit up. >> gayle raised nic

tonight, dennis murphy with "true lies." >> reporter: bill kyne knew he was a lucky man. the single dad with five kids was getting a second chance at love. >> she was the most wonderful lady i'd ever met. >> reporter: he first set eyes on her at a nail salon, a business she ran with her twin sister. >> and they're standing in front of this big neon sign that says, "nails." and i said, "do you all do nails here?" and they just looked at the sign and then looked at me and said, "yeah." >> reporter: her name was diane. a vivacious blonde, with a ready smile. >> he saw diane through the window, so the next weekend i went to get my nails done. >> reporter: rebecca kyne is bill's youngest child. >> gave him an excuse to meet her. >> rebecca you were being used as bait. do you realize this now looking back? >> oh, i was fully aware at the time. >> reporter: it was a light moment and just what bill needed. only eight months earlier, he'd become a widower. >> my wife, krista, she fell in the middle of the night. they say she hit her head and she drowned in the pool. i pulled her o

here again is dennis murphy. >> reporter: more than 30 years had passed since the night russell adkinsered two friends a ride home from the south side roxy. only one of them had made it home alive. later who's still around. >> he had changed his lifestyle, and that's what these people know. and that's what these -- who these people love. and i understand why they're supporting him. >> reporter: but many of his supporters hadn't known adkins back in 1982. the investigator tracked down some people who had. what they told him was ugly. an ex wife and ex girlfriend with tales of beatings. work colleagues who said he was quick to throw a punch. >> what was the picture that came together? >> in that time period? very short temper. very short fuse. >> reporter: finally, after 30 years, investigators believed they had enough evidence to arrest adkins. he was charged with felony murder. investigator kinder went with u.s. marshalls to pick him up. and he says the man he met was polite, cooperative. adkins seemed eager to sit down and talk. >> you've got a limited window here before he says, "i w