Kind of crime

Gangland

Prohibition-era gangs, the Public Enemies and the agents who hunted them.

3 cases1 solved1 unsolved1929–1938

1929–1931 · Illinois

St. Valentine's Day Massacre

Seven men lined against a garage wall in Chicago, 1929. Gunmen dressed as police. Capone blamed by everyone, charged with nothing. Nobody was ever tried.

Convicted

1931 · Illinois

Al Capone tax evasion trial

Chicago could never convict Al Capone of murder. In 1931 the Treasury got him with a lawyer's letter, a bookkeeper's ledger and his own grocery bills.

Disputed verdict

1933–1938 · Missouri

Kansas City Massacre

Thirty seconds outside Union Station in June 1933 left four lawmen and their prisoner dead. The FBI blamed Pretty Boy Floyd. Historians are still arguing.