Question: Which "boss of bosses" Mafia member was behind the murder of New York City police sergeant Joseph Petrosino?
Sentence (from "Enrico Alfano"): Enrico Alfano (born 1869 or 1870; date of death unknown), also known as "Erricone", was considered to be one of the chiefs of the Camorra, a Mafia-type organisation in the region of Campania and its capital Naples in Italy, at the turn of the 20th century.
Relevant evidence: No