A judge on crusade to take down the Italian Mafia uses a gangster turned state's witness (a so-called "repenter") and a New York banker to do it. But things aren't quite what they seem. A judge on crusade to take down the Italian Mafia uses a gangster turned state's witness (a so-called "repenter") and a New York banker to do it. But things aren't quite what they seem. A judge on crusade to take down the Italian Mafia uses a gangster turned state's witness (a so-called "repenter") and a New York banker to do it. But things aren't quite what they seem. A judge on crusade to take down the Italian Mafia uses a gangster turned state's witness (a so-called "repenter") and a New York banker to do it. But things aren't quite what they seem.