Peter DiFronzo (May 13, 1933) is the brother of John DiFronzo (reputed to be the leader of the Chicago Outfit) and supposedly a made man. and Joseph and John DiFronzo. He is a habituate of Gene's Deli located at 2202 North Harlem Avenue Elmwood, Illinois that is also frequented by his brother John DiFronzo Sr. He stands at 5'8 and weighs 185 pounds. In 1965 he was arrested for interstate stolen property and served ten years in prison. He was featured in William F.