Richard Brennan Cox was 22 when he was found with a gunshot wound at Fort Riley, Kansas, on the evening of Sunday, August 13, 2017. He was airlifted to Stormont Vail Hospital in Topeka and died of his injuries three days later, on August 16, 2017. He served as an indirect fire infantryman with Troop A, 1st Squadron, 4th Cavalry Regiment, 1st Armored Brigade Combat Team, 1st Infantry Division.

A native of Black Hawk, South Dakota, Cox joined the Army in July 2013 and had been stationed at Fort Riley since October 2013, with deployments to Kuwait in 2014 and South Korea in 2016. The Fort Riley Criminal Investigation Command launched an investigation into the shooting; officials did not publicly release details about the circumstances or identify any suspects.

If anyone was at Fort Riley on August 13, 2017, or has information about what happened that evening, please come forward.