. >> keith morrison, "scenes from a murder."were devoted to her in life, some obsessed with her in death. thanks for joining us. i'm stone philips. >> and i'm ann curry. she was a good-hearted free spirited young woman who knew her mind and where she was going. something about her was extraordinarily compelling and that seems to be even more the case since her death. >> she left behind a brother so tortured by her loss, some would wonder if it wasn't just grief but guilt that was driving his obsession. what happened then, he says, was surreal. here's keith morrison. >>> this is a story about movies, three of them actually. the first, pure, simple, about her, the radiant star. and then those others, those would-be sherlocks, chasing the riddle down their strange, opposing paths. but she like the center of any movieland mystery, as you will see, hides her secret well. >> it kept me awake at night, just thinking about it and thinking about it and thinking about it. it kept me awake at night but i found the best relief was physical.

here's keith morrison. >> reporter: it was cold the night it happened. so very cold. inside by a fireplace, tucked under a quilt. not outside in the frigid dark. not way up here, nine thousand feet up, in the colorado mountains. snow thick already that late november night, and with the wind chill, 24 below. >> i don't know enough to know exactly what happened. i'm still trying to figure it out. >> reporter: what in god's name was his wife doing? walking out into the brutal cold? and more to the point, what happened to her? this middle class married mother of three. where did she go? without a word to him or her friends. >> you can't imagine that this is happening to you and to your friend. >> she was just plain missing. >> reporter: but she was. terrifying. dreadful in the end. and as events were about to prove, a shocking lesson on what can dwell hidden beneath a person's public skin. so this was really a secret thing as far as you know? >> a lot of it, sure. >> reporter: everybody has secrets, of course. stephanie roller bruner's secrets lived, as she did, in a skie

here's keith morrison with "miami heat." >> reporter: it was dusk in miami. the day's heat retreated, parks filled up, soccer games were called to order. orlando mesa loved the evening ritual. he and his 18-month old son, noah. orlando doted on the boy. >> he was a hands-on dad. >> reporter: and noah's mom, cindy, was there to record it all. >> my husband was an outdoor person. so, you know, he was always doin' things with noah. >> reporter: and so, on a spring evening in the gathering dusk, orlando walked behind noah, who rolled along on his toy car. a security camera watched them toddle down the sidewalk. they disappeared around a corner. >> that was the worst day of my life. >> reporter: what happened? well, that's still being debated, in a way. a chain of events, certainly. of which a father/son evening stroll may have been the first. but certainly not the last. but, a moment first to fill you in. cindy, or janepsy, the name she was born with in cuba, came to miami as a teenager. she was bright, and ambitious. she learned english pretty much from scratch,

here's keith morrison with under a full moon. >> she was finished now. tired, wrungut. must have been as she walked away from the incessantly chirping machinery and the bleary eyes of t gamblers on holiday from real life who'd called out f her again and again and again. outside in the night, a full moon bathed the great hous of delight and sin in an unaccustomed shade of pale. it was september 29, 2012. at precisely 3:00 in the morning, in a back room of the palms casino, the cocktail waitress named shauna tiaffay inserted her time card in the staffing machine and set out to break a little rule. shauna had parked her car in the back lot, a practice discouraged because surveillance cameras were unable to track her all the way to her car. still easier this way. quicker. and after all, would a stalker really be waiting for her here, under a full moon? >> is t wasolutely horrible. and we felt so helpless. >> it's every woman's worst nightmar >> we didn't know if any of us were next. >> it never occurred to shauna to become a cocktail waitress when she ved to vegas as a 20-s

here is keith morrison with a perfect spot. >> a winter's night in a southern forest. the ink black darkness parted briefly by their headlights. and closed around them like a shroud as they made their way in separate cars through the foggy overcast. then here it was. the rugged clearing, the muddy patch of sand and dirt away from the world, a place for their valentine any tryst. as if they could see without the artificial light so much as a hand in front of their faces or the fate lurking out there in the dark. waiting. but, what a way to begin a love story. better probably the hot air balloons, the man so loved. and the motorcycles on which together in day light they discovered their own special place, the remote forest clearing in a place called belton bridge park. though park is much too grand a word for the little pull-out beside the chatahoochie river. north of atlanta, georgia. >> i knew them both well. >> they were richard and stacy. it was their love of scouting that won the admiration of greg. >> how did you meet them? >> both of our sons were cub scouts. >> w

here's keith morrison with "miami heat." >> reporter: it was dusk in miami. the day's heat retreated, parks filled up, soccer games were called to order. orlando mesa loved the evening ritual. he and his 18-month old son, noah. orlando doted on the boy. >> he was a hands-on dad. >> reporter: and noah's mom, cindy, was there to record it all. >> my husband was an outdoor person. so, you know, he was always doin' things with noah. >> reporter: and so, on a spring evening in the gathering dusk, orlando walked behind noah, who rolled along on his toy car. a security camera watched them toddle down the sidewalk. they disappeared around a corner. >> that was the worst day of my life. >> reporter: what happened? well, that's still being debated, in a way. a chain of events, certainly. of which a father/son evening stroll may have been the first. but certainly not the last. but, a moment first to fill you in. cindy, or janepsy, the name she was born with in cuba, came to miami as a teenager. she was bright, and ambitious. she learned english pretty much from scratch,

here again, keith morrison. >> a blower looking for justice for his sister. man who had gone to the media to criticize the police and written a script and made a movie in an effort to restort an investigation. >> i had said some not so flattering things in the past in the media about the case. nothing that wasn't true but i brought up several times that this file's been lost. >> so had the state police decided to teach him a lesson? >> how would you describe the way they're treating you? >> from where i grew up, you would call it being slapped around. >> bullied? >> yeah. >> what motivation would they have to bully you except to find the truth? >> maybe this is where the rubber meets the road and they think you know what, now he sees he's got something to lose and now he'll leave us alone. >> reporter: but it turns out tom morgan was wrong. it wasn't his harping about the police that had him in a polygrapher's clutches. it wasn't payback. it wasn't even political. no, the reason tom was hauled in for questioning was because somebody had offered new evidence t

here's keith morrison. ♪ >> five to seven minutes. the time it takes for a cigarette to burn.he time it takes to tamp down a craving. to cover up a crime. or mark the time between life and death. it was mother's day weekend 1989. the los angeles suburb of whittier. that's when it happened, in a condo there where they found the burned-down smoke at the heart of the mystery, or maybe smoke screen is what it was. at the start of the search, it would go on 14 years and would lead, well, who would have believed it. certainly not rhonda fleming and her 25-year-old sister, christie, who were scheduled to take their mom to a brunch that morning. >> we were going to meet at my mother's house. i just called christie just to check in, and the line was busy. a few minutes later i called again. the line was busy. i called, called, called. her phone was busy all saturday morning which seemed strange. >> so rhonda went to her mother's house anyway, thinking her younger sister would show up, but -- >> christie wasn't there, which was very unusual, because she was always on time, never, never