Massino Feared being purged by the Zip faction especcially Sciascia had about as much money and backing within the bonannos(including montreal) in 84 he done the same with bonventre who was much less a threat.I think massino would have been dead by 1990 if Sal Catalano hand other zips had not been taken down in the pizza connection. I dont know if TG graziano took drugs but the accusasion was good enuff for massino to justify sciascias murrder to Vitale But of course he denied it to everyone else.