Indianapolis As a tow truck driver lay pinned between a car and a metal wire, it was a passerby's quick thinking that saved his life. Jamaryon Middlebrooks was driving along North Emerson on a Sunday night when a frantic person waved him off the side of the road. Middlebrooks found a chaotic scene, as the tow truck driver went unconscious and witnesses described him turning blue. "He wasn't breathing. ... They felt a pulse but that was about it," Middlebrooks said. Middlebrooks made a split-second decision, grabbing his handgun out of his truck and firing nine shots at the chain,...