Rival gangs also decided to take a cut from the alcohol running business. The toughest gang that the Mafia took on was the O'Bannion Gang. In Illinois, there were two major gangs controlling all of Chicago, Johnny Torrio's Mafia and Dion O'Bannion's Irish Gang. They left each other alone until O'Bannion started to cut in on Johnny Torrio's profit. Al Capone, Torrio's under boss, then started one of the bloodiest gang wars known in American history. Hundreds of gang members died because of the gang wars. Al Capone would have died except for a stooge who jumped on top of his body saving him from the barrage of bullets. The bloody turf wars ended when Capone hired "Undertaker" Frankie Yale to come to Chicago and murder O'Bannion. According to author David L. Chandler, the death of Dion O'Bannion sealed the fate of over 500 men (190) . Gunfire started overnight and did not stop for the next few months. Al Capone's boss, Johnny Torrio announced his retirement because he found that
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