It is late afternoon, Friday, October 13. Detectives Carella, Meyer and Kling of the 87th Squad are waiting for their relief, due at 5:45 P.M. At 5:15, the telephone rings. Meyer answers, listens, jots down a few notes, then says, “Steve, Bert, you want to take this? Some nut just shot up a bookstore on Culver Avenue. There’s three people laying dead on the floor.” The crowd had already gat...