The U.S. Secret Service Thursday arrested a man outside the White House gates who authorities say was carrying a footlong hunting knife and had an assault rifle, a rifle with a telescopic lens, gunpowder, a handgun, a bulletproof vest and a helmet in his pickup truck parked nearby.
William Duncan, 26, who authorities said has a history of psychiatric problems and brushes with the law, was charged with three counts of possessing illegal weapons and ammunition. He does not appear to have a permanent address, authorities said.
Duncan is scheduled to be arraigned today.
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