Stevie "the Rifleman" Flemmi was, for forty years, one of the most feared gangsters in Boston, and for much of that time, he was the partner of Whitey Bulger, the sixteen-year fugitive with a $2 million reward on his head who was captured in 2011. Flemmi has been convicted of ten murders and took the Fifth Amendment when asked about ten others. His cohort, Bulger, is charged with nineteen more. Rifleman is the story of Flemmi's life of crime, as told...