Led by the infamous Alphonse "Al" Capone , who sought total control over Chicago's illegal bootlegging operations.
The seven men were ordered to line up against a brick wall. The attackers then opened fire with Thompson submachine guns and shotguns, firing over 70 rounds.
The on February 14, 1929, stands as the most notorious gangland execution in American history, marking the violent peak of the Prohibition era in Chicago. The Conflict: Capone vs. Moran
The massacre had immediate and lasting impacts on American law and society: