Frank Capone with mobster John Torrio. By 1918, Torrio had moved to Chicago to help a relative defend his rackets, and Torrio soon asked Al and later Frank to join him there. By 1920, Torrio had taken charge of the South Side Gang and the Prohibition era had started. As the gang increased in power and wealth, so did Al and Frank. In 1923, Chicago voters elected a new mayor, William Dever, who proceeded to crack down on Torrio, the Capone brothers, and their South Side Gang. In response, Torrio tasked Al with creating speakeasies, brothels, and illegal gambling dens in Cicero,
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