war. The North Side Gang, led by George "Bugs" Moran, shot and wounded Torrio outside his home. Torrio fled to Italy, leaving Al Capone as boss. The North Side Gang took aim at the Genna brothers and on May 27, 1925, Moran chased down Angelo Genna in a high-speed car chase, then shot him to death. On June 13, 1925, Mike Genna was gunned down by police after a shootout with the North Siders. Antonio Genna was shot to death on July 8, 1925, in an ambush. The remaining three brothers Jim, Sam, and Pete fled Chicago. Joe Aiello and the last fight Giuseppe "Joe" Aiello and his brothers Salvatore "Sam" and Pietro "Peter" declared themselves bosses of the old Genna brothers territory of Little Italy. The Aiello brothers had an alliance with the Castellammarese Clan boss Salvatore Maranzano and close connection to the North Side Gang. The brothers attempted to murder Al Capone and become the most powerful organization in Chicago. Giuseppe Aiello was murdered in 1930 and Capone took over all Italian organized crime. Members of Chicago's Sicilian Mafia Bosses 1914-1921 — Anthony D'Andrea – led the Unione Siciliana backed by the Gennas. He was murdered on May 11, 1921. 1921-1925 — Angelo Genna – murdered on May 27, 1925. 1925 — Samuzzo Amatuna – led the Unione Siciliana. He was murdered on November 13, 1925. 1925-1930 — Joseph Aiello – murdered on October 23, 1930. Other members Antonio Genna – murdered on July 8, 1925. Mike Genna – murdered on June 13, 1925. Vincenzo Genna died November 8, 1931 Peter Genna died May 13, 1948 Sam Genna died Dec 20, 1951 Mariano Zagone – Black Hand; murdered in May 1909. Joseph "Diamond Joe" Esposito – murdered on March 21, 1928. Samuzzo Amatuna - Angelo's bodyguard; became boss after Angelo's death; Unione Siciliana president; murdered on November 13, 1925. Rival Rosario Dispenza – Black Hand member and was a Morello crime family Chicago contact. Dispenza was murdered in 1914. Salvatore Cardinella gang – also operated in Little Italy and Little Sicily. See also Italians in Chicago References Organizations established in 1919 1919 establishments in Illinois Organizations disestablished in 1930 1930 disestablishments in Illinois Italian-American crime families Italian-American culture in Chicago Prohibition gangs Former gangs in Chicago