press starts talking to him about his missing wife, kathie. tell bus her. >> susan berman was a mob daughter. her dad was davy berman who was partners with bugsy siegel in las vegas. she met robert durst when they both went to ucla. they became fast friends. and she understood him. they both came from money. they were sort of the entitled background. and they stayed friends. and when she graduated she moved up to san francisco, graduated with a master's degree, and then followed robert durst to new york city. >> and in fact, didn't he walk her down the aisle when she got married? >> he sure did. she called him "the brother i never had." and he walked her down the aisle. >> and everybody knew how close they were, but did they ever have a romantic relationship? >> they were never, never that way. she was never interested in him that way and vice versa. but they told each other everything. >> but kathy, did he ever talk to the media? i don't believe he did. >> he never talked to the media. she was -- you know, robert durst had a way of hiding very well. and he hid behind susan.