It was Leoluca Bagarella.He was ever worse than brusca,Tommaso Buscetta said:"I prefer not to speak about him, I think he doesn't belong to the human species...in prison everybody feared him. I remember we stayed three months together in the prison infirmary and the only words he told me were good morning and good evening." Buscetta said Bagarella had mental problems and has been involved in possibly 300 murders