Al Capone signaled for accomplices armed with machine guns and shotguns. Photos of the slain victims shocked the public and damaged Capone's reputation. Within days, Capone received a summons to testify before a Chicago grand jury on charges of federal Prohibition violations, but he claimed to be too unwell to attend. Capone was primarily known for ordering other men to do his dirty work for him. One story, however, has Capone, having discovered that three of his men—Scalise, Anselmi, and Giunta—were conspiring against him with a rival gangster, Joe Aiello, reportedly arranging for the conspirators to dine with him and his bodyguards.
Antonio Lombardo the four-year gang war, suggesting that Capone surrender supposed Dean O'Banion assassins Albert Anselmi and John Scalise, which Capone refused. Lombardo, with the help of Capone, later became President of the Unione Siciliana in November 1925, attempting to regain control of the unstable organization as well as instituting reforms, including opening membership to non-Sicilian Italian immigrants (such as the Neapolitan Capone) and changing the organization's name to the Italo-American National Union. Lombardo's reforms, however, caused some resentment within Unione Siciliana members. With the partnership of Al Capone and New York gangster Frankie Yale worsening, possibly due to the end of