. >> i thought this guy knows something. 19-year-old william garrison said he was the care taker. he told him he knew nothing, had seen nothing, and heard nothing. >> with all the screaming and the gunshots and the fighting -- >> how could he not hear it? >> you would think so. i handcuffed him and walked him through the property. >> they walked past the bodies of the front lawn. >> he didn't seem shocked? >> no, not at all. >> garrison was the first and most likely suspect. derosa took him to the station house to book him. then the detectives arrived and the coroner and of course the pre press. >> an employee came to work and found several bodies in the house. >> the lapd didn't share right away the awful details or that the phone wires had been cut so no one could call for help or that an american flag had been draped over the couch or that someone had written in blood on the front door, one word, pig. >> do you have any kind of atbs? any suspects at all? >> no, the only person we have at this time is mr. garrison who we're questioning. >> the lapd didn't say much and didn't kno