Duriel Lamar Ryan was 17 when he was shot and killed in Syracuse, New York, on July 23, 1999. The shooting happened in broad daylight near West Newell and Cannon streets after an argument; as Duriel was walking away he was struck in the back of the head by a blast from a sawed-off shotgun and died instantly.

The killing profoundly affected his family, including his parents Clifford Ryan and Tammy Graham Armstrong. Clifford Ryan turned to community activism after his son’s death, working to prevent similar losses to gun violence.

If anyone knew Duriel or has information about what happened that day, please come forward.