Mark Clark and Fred Hampton, December 4, 1969

Fred Hampton, a deputy chairman of the Illinois chapter of the Black Panther Party (BPP, was killed in his apartment during a raid by a tactical unit of the Cook County, Illinois State’s Attorney’s Office (SAO), in conjunction with the Chicago Police Department (CPD) and the Federal Bureau of Investigation (FBI) on December 4, 1969. Mark Clark, who was on security duty, was killed instantly while sitting in the front room of the apartment. Prior to their murders by police, Arthur Glen Morris and Anthony Coltrale, were murdered by police.