of news. horrifying, but potentially useful. bonnie had been raped as well. and as awful as that was, it left one sliver of hope. the killer left behind his dna. magic that they'd solve the case. who was? it it couldn't have been the boyfriend, cameron. >> he was not in california. anchorage. >> -- as a reserve undercover officer and determined that the men in the drug buys were not involved either, but there was one man, a very close with opportunity who returned home to anchorage from an out of town trip just the night before the murder. bonnie's stepfather. karen's, samantha's dad. >> i remember that being really unsure, scary feeling, in my mind that it makes sense. my father has never been a violent man so i remember straight-up asking him, it dad did you kill bonnie? >> dim over the look on his