Which "boss of bosses" Mafia member was behind the murder of New York City police sergeant Joseph Petrosino?
Vito Cascioferro Vito Cascioferro or Vito Cascio Ferro (January 22, 1862 – September 20, 1943), also known as Don Vito, was a prominent member of the Sicilian Mafia. He also operated for several years in the United States. He is often depicted as the "boss of bosses", although such a position does not exist in the loose structure of Cosa Nostra in Sicily.
Frankie Carbo Paul John Carbo (born Paolo Giovanni Carbo on August 10, 1904 – died November 22, 1976), better known as "Frankie Carbo", was a New York City Mafia soldier in the Lucchese crime family, who operated as a boxing promoter and a gunman with Murder, Inc.