A number of famous crimes were committed in the month of April, including:
- April 14, 1865 – President Abraham Lincoln is assassinated at Ford’s Theatre in Washington, D.C.
- April 15, 1920 – Nicola Sacco and Bartolomeo Vanzetti allegedly kill a paymaster and a guard at a factory in Massachusetts in order to steal a $16,000 payroll shipment.
- April 4, 1968 – Martin Luther King is assassinated on the balcony of a Memphis, Tennessee motel room.
- April 19, 1995 – A truck loaded with homemade explosives is detonated outside the Alfred P. Murrah Federal Building in Oklahoma City.