The Army's top civilian official has ordered a review of the command climate at Fort Hood after the killing of Spc. Vanessa Guillén. Guillén's killing has drawn attention to the Army's handling of sexual assault and harassment, which are considered problems the Army and other services are not addressing adequately. Visit Business Insider's homepage for more stories. Secretary of the Army Ryan McCarthy has ordered an "independent and comprehensive" review of the command climate at Fort Hood as lawmakers continue to pressure the Army in the wake of the killing of Spc.