denny, it turned out, was a friend of hannah's boyfriend, brad. ost at a nonstop hunt funhouse and crash pride. where do you surprise hannah was hanging around with that crowd? >> no. i mean, we hung out with people that didn't do some great stuff. but i guess we just kind of thought it was -- not that it was okay but we were doing it, so i guess we were pretty naive, to. >> denny was days into probation on a drug charge and asked to have his lawyers present when detectives arrive for a conversation. once the lawyers showed up, detectives took out a tape recorder and began an interview. >> would you say your full name, sir? >> denny, frederik cross. >> then he told it attempt if he stayed in the night hannah disappeared. but then volunteered and a stall issuing bit of information. >> was there anybody here at the house with you? >> had a stopover for a little bit. >> hannah stopped over wednesday evening? >> yes. >> that makes him in police terms, the last known person to see her life. >> absolutely. >> yes. >> her and i were conversant -ing. and y