Joseph "The Builder" Andriacchi (born October 20, 1932) has been reported by Chicago newspapers to be a high-ranking member of the Chicago Outfit criminal organization.In 1989, the Chicago Sun-Times reported that Andriacchi had been elevated to being the second-in-command in the Chicago Outfit.[1] The article identified Andriacchi as having two nicknames: "the Sledgehammer"—because of his unsubtle ways as a safe cracker—and "the Builder."Andriacchi was one of several reputed mobsters ordered to appear before a federal grand jury after the May 17, 1992, bombing of a car outside the home of a daughter of mob turncoat Leonard Patrick, who was in the process of testifying against several known mobsters. wikipedia