Corleonesi was the name of the Mafia faction headed by the Libyan person responsible for the assassination of Placido Rizzotto.
Placido Rizzotto (Corleone, January 2, 1914  March 10, 1948) was an Italian socialist peasant and trade union leader from Corleone, who was assassinated by Sicilian Mafia boss Luciano Leggio. 
Luciano Leggio (] ; 6 January 1925  15 November 1993) was an Italian criminal and leading figure of the Sicilian Mafia. 
 He was the head of the Corleonesi, the Mafia faction that originated in the town of Corleone. 
