man they suspected of being the monster. >> translator: evidently, mr. preston did not do the least bit of fact checking. in 1983 when the two young germans were killed, this person was in prison for another crime unrelated to the monster crimes. >> if giutarri was so sure that carlo was not the monster, we asked if he would set up a meeting for us and that night at giutarri's office, it happened. after conferring with him for nearly an hour, carlo agreed to speak to us, but not on camera. standing face-to-face, at times uncomfortably close, carlo answered our questions with a smile that barely concealed his contempt. we asked if he was good with a knife. he said no, although he does own a scuba knife. he's a diver. we asked if he was a good shot. he said he had never fired a gun. not even a toy. we asked about his prison record. he said he was sure he had been in prison during one of the monster killings.