sentences:  Further murders followed, primarily involving Ciaculli killers Giuseppe Greco, Mario Prestifilippo and Vincenzo Puccio, and Agostino Marino Mannoia, who had switched sides from Bontade's to Riina's.These four men were invaluable to the Corleonesi throughout the first half of the 1980s, notching up literally hundreds of murders between them, but between 1985 and 1989 they were all murdered on the orders of the Corleonesi bosses, who saw them as having outlived their usefulness and/or perceived them as too ambitious and therefore a threat.Puccio's two brothers, also Mafiosi, were likewise killed.