A bar. A body. A bloody knife. Mike wasn't expecting the early-morning call from his 86-year-old uncle. Big John Dunleavy arrived at his namesake bar to find the body of San Francisco police officer Eddie Corcoran in the alley, a bloody knife at his side. Corcoran was a tough cop whose life went off the rails after his partner was killed two years earlier. Infidelity and alcohol abuse led his wife to...