when robert durst's wife, kathie vanished without a trace, her family suspected foul play. but there was no proof of a crime. no body was ever found. 18 years later, when prosecutors opened a new investigation into her case, durst himself disappeared. he fled to galveston, texas, and began a strange new life. a new name, a new story, a whole new identity. he was posing as a deaf mute woman named dorothy signer until a dead body was discovered floating in the bay nearby, and a trail of blood led right back to his door. it all seemed too bizarre, but durst would explain everything in detail. here's part two of robert durst. nobody tells the whole truth. >> good afternoon. in the news today, a reward of $100,000 offered by a husband to help find his missing wife. >> robert durst's wife, kathie durst, went missing in 1982. >> the wife, 29 year old kathleen durst, a medical student at albert einstein college, disappeared from the couple's manhattan apartment. >> once i heard she disappeared, i think i knew pretty fast that something bad had happened. >> personally, between you an