When FBI Special Agent Joe Pistone began 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 spent 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...