As the gang war continued between Saltis and the Sheldon Gang over the Back of the Yards neighborhood, Al Capone had begun to move in on Saltis's territory, as the war was beginning to turn in favor of the Sheldon Gang.
As the gang conflict persisted between Saltis and the Sheldon Gang for control of the Back of the Yards neighborhood, Al Capone began to extend his influence into Saltis's area. The battle was starting to favor the Sheldon Gang.