The Marine Corps relieved Col. Paul Cucinotta of command Monday following an investigation into the death of a Muslim-American recruit.

Cucinotta, an Iraq and Afghanistan veteran, was the commanding officer of the Marine Recruit Training Regiment based in Parris Island, S.C., according to reports. He was responsible for overseeing all aspects of recruit training. Sgt. Maj. Nicholas Deabreu, Cucinotta’s senior enlisted adviser, was also removed from duty.