carol. i have e-mails about what he and carol share is more than anyone could picture that no one will understand the bond that they have and how close they are to each other. and he referred on to her to some people as his girlfriend. but she never had any romantic interest in him and no one the -- >> he tremendous romantic interest in her. >> very much so. >> thus in your mind, a reason to be angry one night? >> certainly. >> was it possible carol rebuffed him and he got angry. the detectives did not ask those questions said steve's family and soon it was too late. six months after carol's murder, a 9-1-1 call from a condo where jim knapp came to live after carol was killed. >> we came for a well check, the door is open, and it looks like gunshot hole in the window and there's a shell casing and