>> roxy has always maintained she just knew him socially from being a regular at the club. >> not intimate. >> that is correct. >> reporter: roxy said she got dropped off first. and watched the bouncer and dana speed away. >> so, when roxy closes that car door and says, "goodnight," now we're into the mystery of what happens next, huh? >> correct. >> reporter: but here's the thing. the name of the bouncer was one police had heard before. it was none other than russell adkins, the young man who said he'd spotted dana -- a stranger in trouble -- lying in the road. he'd gone looking for help. >> knocking on doors. >> knocking on -- >> late in the night. "please, somebody call 911." >> correct. >> reporter: but it looked as though a crucial part of that story had been a complete lie. dana was far from a stranger to russell adkins. she'd been a passenger in his car. he admitted as much to the original detective in 1982, when he was called in for an