Authorities shot and killed a sovereign citizen Friday morning outside a Georgia courthouse after he brought weapons and explosives in an attempt to take over the building.

Investigators said Dennis Marx arrived at the Forsyth County Administration Building with an assault rifle, bulletproof vest, smoke grenades, and a gas mask.

Marx also brought water and other supplies, ammunition, zip-tie restraints, and buckets of homemade explosives to the courthouse, said Sheriff Duane Piper.....