We don't know what his issue is or what office he visited. The police are trying to calm the situation and see if we can get him on the right side of the railMan threatens U.S. Senate building leap Jul 21, 2008
It stands to reason if you're involved in law enforcement or security, that if you have one big event, at one spot, one platform where leaders from around the world are gathered at the same moment, it becomes an obvious targetNo plot seen to disrupt Bush inauguration Jan 18, 2005
The Sergeant at Arms and Doorkeeper of the Senate is the law enforcer for the United States Senate. One of the chief roles of the Sergeant is to hold the gavel used at every session. The Sergeant can also request the attendance of absent Senators.
With the Architect of the Capitol and the House Sergeant at Arms, he serves on the Capitol Police Board, responsible for security around the building.
The Sergeant at Arms of the Senate can arrest any person upon their violating Senate rules (including the President of the United States upon orders from the Senate).