Tyleem Everett Dorsey was 23 when he was killed by gunfire in Chester, Pennsylvania, on June 4, 2007. His death was one of several homicides in Chester that year and was recorded amid a troubling local pattern of gun violence.

If anyone knew Tyleem, saw activity in Chester around June 4, 2007, or has information that might help, please come forward to the authorities or share what is known.