High Quality Content by WIKIPEDIA articles! Joseph Dominick Pistone, alias Donnie Brasco, (born September 17, 1939 in Erie, Pennsylvania), is a former FBI agent who worked undercover for six years infiltrating the Bonanno crime family and to a lesser extent the Colombo crime family, two of the Five Families of the Mafia in New York City. Pistone was an FBI agent for 17 years and is considered to be an FBI legend.