I'm reading Murder Machine by Capeci at the moment and what I found really surprising to read was that Paul Castellano ordered Nino Gaggi to open the social club Veterans & Friends when he became the new boss.

Apperantly everybody needed to come once a week, all the capos, soldiers and associates were ordered to attend these so-called ''shape-ups''. Nino Gaggi was very disturbed by it and said that the FEDs were gonna have a field day because of this..

This is very striking to me, because in all the stories and documentaries they say that Gotti was the first on to do this and that he ruined the Gambino family, and at the same time Castellano is portrayed as some kind of low key, shadowy figure..