On July 4, armed extremists attempted to murder U.S. officers at the Prairieland Detention Center in Alvarado, Texas, according to a federal indictment unsealed on Thursday. The attack, which involved an ambush on federal agents, was alleged to have been planned and coordinated, with Cameron Arnold and Zachary Evetts named as two of the accused individuals. The indictment details that Arnold and others used fireworks as a distraction while vandalizing vehicles at the facility before launching an assault on the officers. When law enforcement began to respond, Arnold reportedly yelled,