it's something you expect out of a hollywood movie, not in real life. >> karen pannell and roc herpich had a bitter breakup a year earlier. family members told police that herpich had at one time a serious drug addiction, which led to the breakup. >> they'd had several incidents where the sheriff's office had been called to their house for domestic-related incidents. >> they had a very rocky relationship. >> police questioned roc herpich the day after karen's body was found. >> the entire beginning of the conversation was, a friend of yours has a problem. i said, who would that be? they said karen pannell. and i said, what did she do now? they said, well, it's not what she did. she's dead. >> herpich denied any involvement in karen's murder. >> roc was surprised to see us. roc had told us he had not seen karen in six months. >> they said, we did find your name written in the kitchen in karen's blood, and that's -- it wasn't a question, it was a statement. they didn't ask for a comment. they didn't ask for a comment, so i gave none. >> herpich said he resented the questioning. >> and fr