josh mankiewicz with "the plot thickens." >> fade in, los angeles county, california. was gunned down, shot four times in his own home but somehow survived. it hit his character, really, a hollywood stunt man, martial artist and former fighter. not only did he survive but able to identify his shooter, man caught with what looked like a hit note in his car. >> and they tell you his name is migu miguel quiroz, mean anything to you? >> not at the time, at all. >> sounded like strong case but more prosecutor hoon chun investigated, weaker it seemed to become. >> done a lot of work, mostly proved your defendant's alibi. >> and really proved that he didn't do this. >> multiple witnesses put miguel quiroz 80 miles from garrett's home on the night of the shooting. then like a scene from columbo tlt, the latest twist that the prosecutors saw in a court hearing. >> noticing something, first of all, quiroz was left-handed. shooter was described as right-handed. >> what left-handed person would try to commit murder with gun in his right hand. >> out of a movie. a script writer mig

here's josh mankiewicz with the night lynsie disappeared. sometimes the facts are as clear as the southern california sky. but other times you have to know where to look. to see the truth. this man has made a career of noticing what others do not. what's his reputation? >> meticulous investigator. just pours over the volumes of evidence and finds things that others do not find. >> the evidence whisper per. >> right. >> does this man act guilty, does he know more than he's saying? >> i didn't know anything was going on. all right? i just was like, where's lynsie? >> what about this man? can you believe the story he's telling? >> i was supposed to pick her up twice. she didn't show up on either day. >> the evidence whisperer wasn't present at either of the interviews watching them helped him solve the mystery of what happened to a vivacious young woman and bring answers to the mother. >> she was a real fighter. >> lynsie ekelund was the youngest of three. maybe that fighting spirit isn't visible in her photos but her mother nancy says it was a

josh mankiewicz with as night fell. >> the soaring majesty of utah mountains and story of beautiful womanhot down in her youth. it was a lot of things, crushing, stunning. but was it an accident? or a suicide? or a murder? police felt they knew. but as most cops will tell you, both the evidence and the jury have their own stories to tell, and the answer's not always so clear. certainly that is true for this story, and quite possibly for the woman at its heart. her name? heidi wagner. >> as a baby, she was favored, everybody loved her. she could do no wrong. >> anna was one of heidi's four sisters. >> she was just special, she'd walk into the room and she was ready for that good time. >> heidi grew up with no fewer than seven older siblings. tell me about her growing up. >> she was fun-loving girl, rather shy tho, heidi seemed like appropriate game. >> heidi's mom, janet. >> family got together, loud and boisterous, she got embarrassed easily, would hide her face. >> as heidi got older, she was still cute and bubbly but no pushover. >> kind of intimidating actually. for being so small, you