Former FBI agent Joe Pistone, who infiltrated the Mafia for six years as Donnie Brasco, reveals how his undercover work led to more than 100 convictions - and resulted in the death of underworld fig

A close associate of longtime Teamsters President Jimmy Hoffa and associated with the Chicago Outfit, Alan Dorfman embezzled millions for the mob and himself until he was violently murdered in 1983.

Joe Valachi breaks the Mafia's code of silence and discloses the organization's secrets to the government and the world.