sentences:  He claimed he was disillusioned by Riina's tactics of murder and treachery, complaining he had been used then discarded by Riina.Marchese admitted to have participated in more than 20 murders, including the one on Stefano Bontade and Salvatore Inzerillo.He was the first mafioso from the winning faction of the Corleonesi in the Second Mafia War to become state witness.