the victim? >> never, never. he never had sexual -- >> activity. >> -- activity with the victims, never. >> spezi had also seen that fbi profile of the monster and thought it just didn't match pacciani at all. the profile said the killer was probably sexually dysfunctional. pacciani was not. probably lived alone or with an older relative. pacciani had a wife and children. and was probably in his 20s at the time of the first murder. pacciani had been almost 50. >> you know, from the theory of the botticelli paintings and the way of the working fbi, i prefer fbi. >> in 1996 pacciani's conviction was overturned and he was released. but then the monster case, already as intricate as the duomo, got even more complicated. a new witness came forward to say that he was involved in the killings. >> he said, we were working for somebody else who needed body parts.