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Authorities revealed that a man carrying a loaded shotgun was arrested in January near the US Capitol, and explosives left in his truck nearby went undetected for three weeks.
Michael Gorbey, 38, faces charges of planning to set off a bomb. He also is accused of making or transporting an explosive device with the intent of using it against people or property and multiple firearms charges.
He was arrested on January 18 for carrying the shotgun and a sword outside the Capitol. Capitol police discovered the explosive device three weeks later when they returned to check the truck, which was in a Government parking lot.