Deadly Rampage in Santa Barbara We do begin with that deadly rampage. Tonight police calling it a premeditated mass murder. It lasted several minutes. Shaken young people, witnessing it all in the street, stunned when it was finally over. The gunman's BMW where it crashed to a stop, the wind shattered after shootouts with police. The bodies covered in sheets on the ground, six victims. Tonight there is an intense focus on a Hollywood director's son believed to have been driving that car. It was his car. His videos posted on youtube, many of them could hold chilling clues. I've been doing a lot of thinking about how sad and unfair my life has been all because girls haven't been attracted to me. We have team coverage tonight, what do the experts see in those tapes. Were many warning signs missed? First we begin with bazi kanani at the scene of the crime tonight. Reporter: A Friday night rampage in this college town, 22-year-old Elliott Rodger believed by his family to be the gunman seen on his Facebook page in his shiny black BMW, the same car used by the shooter. I'm in shock. I was here when the shots started going off Reporter: Investigators say it all happened in just ten minutes of terror in Isla vista near the campus of Uc Santa Barbara. Shots fired, shots fired. Reporter: The first call at 9:27, that BMW driving madly around the neighborhood, leaving behind nine crime scenes and running over at least one person, gunfire coming out the window while winding around the loop, a restaurant and bar-rimmed road packed with students. One by one they fell. Lisa hopper tried in vain to perform cpr on a fellow student who did not survive. Three kids there to perform cpr on a kid who was barely breathing and bleeding. And, um, paramedics finally showed up. Reporter: The gunman pulled up next to her and started shooting after she ignored him. She later recognized the same smile and eerie laugh in the video posted by Elliott Rodger on youtube. That image was in your head? I never actually literally looked into the face of the devil, you know. Reporter: After two gun battles with police and a chase, it was all over, seven people were dead including the gunman, seven others injured. Tonight investigators are pouring over videos roger posted online, this one just a day before the shooting in which he complains about being rejected by girls and warning that the time for revenge had come. Tomorrow at day retribution. Reporter: An attorney for the family said today he had meld approximately therapist, and his parents and a social worker called to report their concerns last week after they saw the videos he posted. After interviewing the child in the child's home, he was a perfectly polite, kind and wonderful human. Reporter: Roger had asperger's syndrome, a form of autism, and other students who knew him say he struggled socially. Bullet holes, police tape, the somber reminders of terror in this college town, students have started makeshift memorials at the places where some were killed. It's the end of the school year, graduation and students tell me it will not be as joyful. As we just heard in the