Sgt. Darian Lopez, a military policeman and member of the 75th MP Detachment's drug suppression team, acts as a first-responder at a mock hostage negotiation scenario during Capital Shield, Sept. 8. Special Agents from both active and reserve components of the Army's Criminal Investigation Command gathered at Fort Belvoir, Virginia, September 5-9, 2017. Capital Shield’s key training events included crime scene and intelligence management, hostage and crisis negotiation and evidence processing. The Special Agents were trained for real-world incidents and established mutual partnerships between U.S. Army components. (U.S. Army Reserve photo by Sgt. Audrey Hayes)