detective had a recorder rolling. you can hear charlotte sobbing. and steve talking. >> i don't know i'm sorry, i don't know. it's ban while. >> someone else talked to the detectives too. a man who showed up minutes after the deputies got there. jim knapp, carol's border. the man who was living in the guest house. >> i can't remember the month i moved in. >> and jim knapp had a lot to say about carol. but he the not stop there. coming up. >> it was certainly a gruesome scene. >> blood drops, shoe prints. the includes tell a story. so that tells you something about how she died. >> she certainly died a violent death. >> and the man in the guest cot acknowledge has a story too. >> it's just my intuitive take. >> when "dateline" continues.