Former federal prosecutor John Gleeson sure has some stories to tell in his years-long battle against top figures in the mob. John flipped Sammy "the Bull" Gravano in order to take down one of the biggest mafia bosses of all time, John Gotti. John's new book, "The Gotti Wars: Taking Down America's Most Notorious Mobster", was published yesterday.
https://www.amazon.com/Gotti-Wars-Americas-Notorious-Mobster/dp/1982186925