That was Gus Curcio... brother to Fat Frannie Curcio who I believe was a member of the Genoveses at the time... IMO Castellano screwed over Piccolo for his own profit interests and not for the greater good of the family... for this Castellano for all of his foresight about white collar rackets showed himself to be a self interest thief and not the long term thinker Gambino was