Which "boss of bosses" Mafia member was behind the murder of New York City police sergeant Joseph Petrosino?
Enrico Alfano:  However, the murder has since been attributed to the Sicilian Mafia, and to Vito Cascioferro in particular. Vito Cascioferro:  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.
i don't know