The Pentagon’s inspector general will review the conduct of the former chair of the Joint Chiefs of Staff, who has been a vocal critic of the president.

The portraits of former Defense Secretary Mark Esper and retired Army Gen. Mark Milley, former chairman of the Joint Chiefs of Staff, were removed from the Pentagon after Defense Secretary Pete Hegseth revoked Milley’s personal security detail and security clearance.

U.S. Defense Secretary Pete Hegseth is revoking the security clearance and personal security detail for retired Army General and former chairman of the Joint Chiefs of Staff Mark Milley, a Pentagon spokesperson said in a statement on Tuesday.