Francesco Raffaele Nitto, commonly known as Frank Nitti, and nicknamed “The Enforcer,” was an Italian-American gangster. One of Al Capone‘s top henchmen, Nitti was in charge of all money flowing through the operation. Nitti later succeeded Capone as boss of the Chicago Outfit. 1. Nitti came to the United States from Salerno, Italy, in 1893,…