and when kathie vanished, said bagli, bob's protective friend susan berman, a name you've probably heardf, became his unofficial spokesperson. >> and susan would call back and say, "well, bob's, you know, really not feeling right right now. i'm going to handle a lot of this." >> reporter: bob, himself, was pretty much incommunicado then. but we have obtained this, his own account. his version of things which he wrote later. here's what he wrote about kathie's disappearance. "after my wife kathy left, my compulsive use of alcohol, drugs and food changed from an infrequent problem to a daily event." >> he didn't come in to work for about two years. >> reporter: later, when bob began showing up at work again, sporadically, he wasn't anything like a buttoned-up executive. >> he enjoyed smoking pot in a social situation, burping and farting because it disturbed people, you know, and he liked to watch their reactions. >> reporter: right. so, these stories about misbehaving, peeing in a wastebasket or something, that's -- >> there was peeing in a wastebasket and all of that. it gave pause to th