Marquise Slaughter, 25, was killed on July 22, 2016, on the 200 block of South Cecil Street in Philadelphia. Officers found him lying in the street with a gunshot wound to the head; emergency personnel pronounced him dead at the scene.

The homicide remains unsolved. Authorities are asking anyone with information to contact the Philadelphia Police Department. Marquise’s death is one of many unsolved killings that continue to affect families and neighborhoods across the city.

If anyone knew Marquise or has information about what happened that night, please contact the Philadelphia Police Department.