that hot summer night that caught the world utterly unprepared. when los angeles became suddenly a very scary place. it was august 9th, 1969, around 8:00 a.m. officer jerry derosa was a young cop with the lapd working the day shift. >> the first call i got was to go out to ciela drive coming out as a drunk in a car. >> the officer cruised up the canyon and found the dead-end street. a neighbor flagged him down. suddenly the drunk in a car call became something else. >> he had told me that the maid came running back out, yelling blood and bodies. >> derosa, all alone, nosed his squad car up a gated driveway. he could see right away things weren't right. >> the telephone wires that had