AdvertisementNearly 1 In 5 Defendants In Capitol Riot Cases Served In The MilitaryJanuary 21, 2021Tom DreisbachMeg AndersonfacebookEmailLarry Rendall Brock Jr., an Air Force veteran, is seen inside the Senate Chamber wearing a military-style helmet and tactical vest during the rioting at the U.S. Capitol. Federal prosecutors have alleged that before the attack, Brock posted on Facebook about an impending "Second Civil War." (Getty Images)