going to have a wonderful future together. >> reporter: the last time sabine's friend photographer jack elka saw her she was with bill. jack had never met him before. >> she came over to me and gave me a big kiss and hug and, you know, how are you? and she introduced this man to me. and he shook my hand. hey, jack. how you doing, man? long time, no see. and i'm looking at this guy, thinking like i don't really know this guy. >> reporter: the question was, did anybody know bill? >>> coming up -- missing somebody special. >> emotion from bill, and a surprise from a stranger. >> he said, you have no idea what you've just done. >> was he about to blow the case >>> when sabine disappeared from anna maria island on election night 2008, detectivesook a good look at the two men closest to her. the estranged husband tom and the boyfriend bill cumber, with whom she was living at the time. >> typically in any missing person case, you look at the inner circle first. husband, paramour. >> reporter: bill gave detectives his story of what happened the night she disappeared. sabine left their place around 1