Capitol Police Arrest Man With Weapons Cache

The department's bomb squad searched Gorbey's pickup truck, which was parked near the scene of his arrest, but investigators overlooked a homemade explosive inside the vehicle.

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It would be another three weeks before investigators would find the device.

A jury convicted Gorbey in May, and a judge sentenced him to a 22-year prison term last month.

The Associated Press contributed to this report.