U.S. Capitol Police Chief Thomas Manger and U.S. Senate Sergeant at Arms Karen Gibson testify during a Senate Appropriations Subcommittee on the Legislative Brach hearing at the U.S. Capitol
U.S. Capitol Police Chief Thomas Manger and U.S. Senate Sergeant at Arms Karen Gibson testify during a Senate Appropriations Subcommittee on the Legislative Brach hearing at the U.S. Capitol