Patterson v. Illinois

Before dawn on August 21, 1983, petitioner and other members of the "Vice Lords" street gang became involved in a fight with members of a rival gang, the "Black Mobsters." Some time after the fight, a former member of the Black Mobsters, James Jackson, went to the home where the Vice Lords had fled. A second fight broke out there, with petitioner and three other Vice Lords beating Jackson severely. The Vice Lords then put Jackson into a car, drove to the end of a nearby street, and left him face down in a puddle of water. Later that morning, police discovered Jackson, dead, where he had been left.