The ultimate series on the fight against the Mafia, told by the people who try to stop them - the FBI. Featuring dramatic reconstruction, archive and exclusive testimony from witnesses and from FBI special agents.

The real Donnie Brasco, Special Agent Joe Pistone reveals the truth about his six years undercover in the New York Mafia. Donnie Brasco is one of the most critically acclaimed gangster films ever made. But the real story is even more remarkable. The story of undercover FBI agent Donnie Brasco became a major Hollywood hit when it was made into one of the most critically acclaimed gangster movies of all time. But the film itself doesn't reveal the daily threats and hurdles Special Agent Joseph D. Pistone faced. This is the real story of the greatest undercover agent in FBI history, told by the real Donnie Brasco.