in september 1931, between the killing of young vengalli and his acquittal for that death, coll was hired by salvatore maranzano, who had recently crowned himself the boss of all bosses, to murder his right-hand man, charles "lucky" luciano. however, lucchese alerted luciano that he was marked for death. months earlier, luciano had helped maranzano win the castellammarese war and gain control of the new york mafia, however, maranzano soon realized luciano was a threat. on september 10, maranzano ordered luciano, vito genovese and frank costello to come to his office at the 230 park avenue in manhattan. convinced that maranzano planned to murder them, luciano decided to act first. he sent to maranzano's office four jewish gangsters whose faces were unknown to maranzano's people. they had been secured with the aid of lansky and siegel. disguised as government agents, two of the gangsters disarmed maranzano's bodyguards. the other two, aided by lucchese, who was there to point maranzano out, stabbed the boss multiple times before shooting him.