to someone who would help her beat the rap for killing her boyfriend, but kelly would also try to use their conversations to steer her new friend to talk about a different case, the pizza bombing. >> we talked of her past relationships, the murder of roden, of course, and then slowly into the pizza bomber. >> how does that subject get introduced, the brian wells pizza case? >> through rothstein. >> bill rothstein, marjorie's one time fiancée who turned her in for killing roden and hid the body in his freezer. >> what did she tell you about rothstein? >> that he built the bomb, it was his toy. >> and there it was, the first time anyone said what investigators suspected. bill rothstein was in on the pizza bombing and now marjorie began to describe a wider plot that seemed to involve every lost soul who had come into her orbit. >> who are the players in this thing?