 Police arrived within two minutes to find an extensive amount of ammunition and crude explosive devices next to Aguilar's body, which were disabled safely.All of the injured were treated and later discharged from the Howard County General Hospital.Former Jessup correctional officer Hong Young was arrested on March 2, 2015, on suspicion of shooting at the Columbia AMC theater building and gunfire incidents at the National Security Agency, Arundel Mills Costco, Inter-county Connector and Laurel Walmart.