clagett had already been to prison for brutally beating another woman. and he had made it clear he had hurt others as well. >> i took pleasure in other people's pain. i became a bit of a sadist. >> but we wanted to know if he really was a serial killer. >> did you have a juvenile record? >> no. >> never got caught? >> no. >> never got caught? >> nope. >> then he revealed something that really made me think -- >> oh, my god, i'm a monster, apparently. 9 years old, i mean, i hurt animals and stuff like that. i don't know, man, i looked at everything with a sense of separation. >> but the other thing that i keyed on was one of the jobs he talked about. >> i became a carny. not in the sense that everybody else was, but, yeah, i traveled with the carnival. >> because, in the course of the crime that he was in jail for, he said to his victim, i've killed 21 people all over the country, you're going to be the 22nd. >> i know this. i saw the east coast, the west coast, the southernmost part of the united states and the northernmost part of the united states and