Saturday night at the Washington Hilton Saturday night at the Washington Hilton was supposed to be Washington's most famous dinner party. It became something else entirely. Cole Tomas Allen, 31, charged a security checkpoint at 8:36 p.m. armed with a shotgun, a handgun, and multiple knives, firing at a Secret Service agent before being tackled and arrested at the scene. A Secret Service officer was struck by at least one round but was protected by a bulletproof vest and is ex