The Army officially confirmed that an American died in the complex attack while assisting in the evacuation mission at Hamid Karzai International Airport.
Gunnery Sgt. Mario Madera-Rodriguez was the final of four co-defendants to be sentenced for the strangulation death of Army Green Beret Staff Sgt. Logan Melgar.
Sgt. Daniel Perry's attorney has said the soldier was working for a ride-sharing company and acted in self-defense after a protester pointed a gun at him.