Recent Attacks On The Capitol Have Reignited Debate Over Security And Fencing Update RequiredTo play audio, update browser or Flash plugin. U.S. Capitol Police officers and members of the National Guard keep watch at the Constitution Avenue entrance to the East Plaza of the Capitol where an officer was killed when a man rammed a car into the barricade on April 2. The debate about whether there should be permanent fencing will be front and center when lawmakers return next week. J. Scott Applewhite / AP Former Senate Majority Leader Harry Reid says during his 30 years in Congress, and years earlier as a U.S. Capitol Police officer, a fencing system for the Capitol was not top of mind.