I understand that he was a lower tier mafia guy and may not have known all that was going on in with the upper echelon.
But is it true that he knew absolutely nothing about the charts they made up during his testimony to the senate committee?

I'm reading deal with the devil right now and their making it like it was the f.b.i. And Greg scarpa who had that information about the five separate families and their structure.
Joe cargo was used as the frontman I guess you could say.

Is there truth to that?