Frank "The Enforcer" Nitti was one of Al Capone's top henchmen during his reign over the Chicago Mafia. Nitti, as his nickname would suggest, was in charge of the "muscle" within the Chicago family.

On this day, March 19, in 1943, Frank Nitti, the successful Chicago mob boss after Al Capone, committed suicide at an Illinois railyard. Nitti had been indicted for extorting some of the largest ...

Frank "The Enforcer" Nitti. Al Capone's No. 2 man in Chicago. You've seen him over and over in movies and TV -- usually as an ape in a suit or a fellow who, for all his grooming, could still light a ...