tell me how you treat a girl like that. tell me how you do that. >> i didn't do that, sir. >> reporter: however, by then, detectives had heard that daniel was not fond of shelley because he felt she was a bad influence on nathan's studies. which wasn't true, by the way. but that's what daniel claimed. and then his friends suggested what might be the real reason -- daniel disliked shelley because he was jealous. didn't like nathan spending time with a girl. detective ellzey turned up the heat even more. >> how can you despise a human being that bad? she didn't do nothing to you. how did you hate that girl so much? >> i didn't -- >> you hated her enough to kill her? over a dude? >> i didn't -- >> you hated her that much, that she took nathan away from you,