with rob dixon in the clear, what about paige's first husband, ron biegler?he was absolutely the last person who spoke to her. >> dan rubenstein is a prosecutor with the mesa county district attorney's office. >> so obviously an ex-husband you want to look at. >> but when he last spoke to paige at 8:57 p.m., biegler was in denver, a four-hour drive away. >> we got a lot of information from him, and we were able to eliminate him as a suspect fairly early on. >> bieglor told detectives everything he knew about paige. including what she told him she was going to do after that picnic of theirs, a secret late-night business trip. business trip? well. 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. >> the four days surrounding her disappearance were pulled out of a day planner. >>> a missing

sports department, which is where he met his first wife, lynne. rob and i, knew doug. we knew lynne very well. so did local 12's debra dixon. what doug needs now to stay alive. >> first let's go back if time, early 90s, channel 12. sports producer and his boss, win emmys together and start a life together. by 1999, lynne was dead from brain cancer and doug left channel 12. >> after going through everything with lynne, okay, i've done my time. i've seen cancer my life will be free of cancer because i paid my dues. seemed to have it all. banks. they have to sons. one of them asked doug, if he was going to die? >> you say no. you say i've got good doctors. i've got good people around me. we will find a donor to save my life. >> bone marrow donor. that's what is will take. there's a bone marrow drive in school. there is one in cincinnati this weekend registering as a bone marrow donor is simple. a lot of form and swab the inside of a cheek. so far there's no match to doug on the national registry, internationally there's near matches. >> sometimes we just pray to get through the day. other times we're praying for a miracle. >>