The Final Chapter in the FBI’s Greatest Mafia Sting—with Shocking Declassified Details from the Donnie Brasco Operation and a Timeline of the Fall of the Mafia. When FBI Special Agent Joe Pistone began what was supposed to be a six-month operation infiltrating New York’s Bonanno crime family in 1975, he had no idea what was about to happen. Posing as jewel thief "Donnie Brasco," Pistone would spend the next six years undercover in the Family, witnessing—and sometimes participating in—the Mafia’s gruesome activities while gathering enough evidence to send over 200 gangsters to jail. Pistone told his story in the 1988 book Donnie Brasco—a New York Times bestseller and later a feature film starring Johnny Depp and Al Pacino. But because of pending trials at the time of publication, many details of the alleged crimes were omitted. Now, in Donnie Brasco: Unfinished Business, Pistone for the first time reveals with great detail the horrific deeds of wiseguys Tony Mirra, Lefty Ruggiero,...