/ This undated photo provided by the Grapevine Texas Police Department shows, Larry Rendall Brock Jr. During the deadly riot at the U.S. Capitol on Wednesday, Jan. 6, 2021, Brock was photographed on the Senate floor wearing a helmet and heavy vest and carrying zip-tie handcuffs. The retired Air Force officer was arrested in Texas and charged Sunday, Jan. 10 in federal court in the District of Columbia. A retired Air Force officer who was part of the mob that stormed the U.S. Capitol last week carried plastic zip-tie handcuffs because he intended “to take hostages,” a prosecutor said in a Texas court on Thursday.