When he was 20 years old, John Pennisi shot a man to death in a dispute over a girlfriend. “The significance of what I did was 100 percent lost on me then,” Pennisi, 51, said in a recent telephone interview. Pennisi now is trying to make sense of his previous life as a mobster and to shine a light on what he says is dishonor and treachery in the Mafia. This newspaper article details the murder Pennisi committed when he was 20 years old that put him in federal prison for 17 years. He said he is so focused now on doing the right ...