josh mankiewicz: costa mesa police detective ed everett responded to the call.a 20-something year old female on the bed and she's in a position that appears that she was sexually assaulted. josh mankiewicz: police soon id'd the victim, sam's tutor and friend julie kibuishi. they had to tell julie's parents. i think, i was screaming, like, no, no, that's not my daughter. it's not my daughter. it's just. josh mankiewicz: julie had been shot twice in the head. her pants were down and someone had written on her sweatshirt the words, "all yours you." police found julie's phone in the apartment and saw those weird texts sam had sent her. they learned about his combat tour and how sam sometimes had night terrors. and when police searched his name in their database, they found something sam's friends already knew. he had done some jail time. josh mankiewicz: back in 2002, at 18, sam herr was charged in the murder of another teenager. he was acquitted, but sam's dad knew that, in hindsight, it didn't look good. that doesn't buy you a lot of rhythm from law enforcement. n