On a frigid winter night in early 1963, Rocco Anthony Balliro and a pair of associates stormed a darkened apartment on the outskirts of Boston and were immediately embroiled in a deadly shootout with several unseen assailants. Unbeknownst to Rocco at the time, the men who returned his fire were several Boston police officers, waiting in ambush for him. It was, as Rocco later described it, a hastily planned rescue mission that went downhill in a...