Question: What was the name of the Mafia faction headed by the person responsible for the assassination of Placido Rizzotto?
Related documents: [0]  [DOC] 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. He's universally known with the surname Liggio, a result of a misspelling in court documents in the 1960s. [END] 
[1]  [DOC] 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. Pieces of Rizzotto's mutilated body were discovered two years later at the bottom of a cliff with his limbs chained up, and a bullet hole in his head. When he was killed, Rizzotto was doing activist work with farm laborers, trying to help them take over unfarmed land on large estates in the area. [END] 
Answer: 
Corleonesi
Corleonesi