investigators couldn't find paige bergfeld, but they found her secrets. that business of hers was about to rock the whole town. >>> coming up -- a revelation that would blow the case and the suspect list wide open. >> paige was living a double life. >> and then, investigators recover paige's date book and an unnerving clue. a day planner. >>> a missing persons case can be a complicated affair, far more than a typical homicide investigation. all that speculation, conjecture, uncertainty. and so in the search for much-needed clues, investigators pried open pages carefully guarded private life, sniffed out her secrets, asked very and that's how paige's first husband, ron beigler, spilled the beans. that day they met for their picnic, when paige left, ron knew she was going to work. >> she told me she was going to go visit a client and maybe two. >> client? what kind of client? it didn't take but a minute for the cops to find the evidence. right there on the internet. a website called models inc. where an attractive young woman named carrie advertised her serv