The AP is reporting that a gunman fired upon 2 security guards armed with a long gun ( perhaps a rifle or shotgun)at the Holocaust Museum in Washington DC today. There is no news as to who the gunman is or what his objective was. Reports are coming in that the gunman was wounded by a security guard who returned fire on the gunman. The gunman is listed as being in pretty serious condition according to Sgt. David Schlosser. No other gunmen are suspected at this time and the building was evacuated and another security sweep of the building is underway. Update: the gunman is being listed as eldery and currently in critical condition. Update 2: The gunman is 89 yr old James W Von Brunn a white supremacist and Holocaust denier .