our reporter is live for us. when's the timeline as we know it? >> reporter: let's talk about how long it took, first of all. it is a surprise to everyone that experienced it. when the shooting began, it took ten minutes and as you indicated, ten separate locations. a shooting spree that affected so many people in the small community. this is where the rampage began, in the gunman's apartment. three people stabbed to death. detectives describe it as a horrific crime scene. >> the supreme gentleman. >> reporter: from here, investigators say he got into his bmw and just as he predicted in the youtube videos, would head first to a sorority. >> on the day of retribution, i am going to enter the hottest sorority house of ucsb. and i will slaughter every single spoiled, stuck-up blond