terrified. and you were excited by their being so frightened. >> i may have gotten that in my subconscience. but i don't recall ever having any pleasure at all from the fact that somebody else was terrified of me. >> you do remember, though, their expressions, which is interesting. >> the woman reports the sexual assault to detective zitzelberger, who is taken aback by the disturbing details of the encounter. >> afterwards, he told her to take off her bra. she did. and he had lifted her blouse with the knife and he started using the knife and was tracing circles on her breast and she said, you promised you wouldn't hurt me. and he said, i'm not going to hurt you. >> with three attacks reported, two in the same night, detective zitzelberger is alarmed. she suspects a sexual predator is on the loose. >> something is going on.