richard allen williams recalls an unsettling phone call that ultimately contributed to the change in police policy. his story part of the kcet series, "i was there" >> my name is dr. richard allen williams. i'm a cardiologist. and i'm on the faculty at u.c.l.a. school of medicine, where i've been for 45 years. i want to take you back to the year 1982, when i had received a call from a. police chief dary sl gates, whiprised me. chief gates was a very forceful and aggressive police chief. he actually established what one might think of as a militarized poliarce deptment. so, on weekends in particular, he would send 500 or 1,000 peifle into spec sites of l.a., and the police would simpoply descend upon these who were out in the street at nightes, and start mass a, bring them in, and lock them up. >> aggreive doesn't mean the use of force. aggressive means tt we move into crime situations and deal with them. ere he got my number from, but in any event, he said, "i'd like to discuss ad very delicateal manner with you." and chief gates asked me if i could verify the fact, or according to hi