vital did a lot of damage, he also had many other captains and wise guys that flipped to corroborate his testimony , graven was alone.. valachi was a puppet for the fbi, they needed someone to come out and point a finger go over charts, LE had many CI's like scarpa for years, people that are dead now that have never been outed. gravano..updated for the world what valachi did early on..with the gotti name as the center piece..he was devastating..he made it easy for all the rats to follow..