Still doesn't hold. Idaho is neither a separate country, nor, more importantly, is it home to established organizations with ties to the government of said sepa

Still doesn't hold. Idaho is neither a separate country, nor, more importantly, is it home to established organizations with ties to the government of said separate country, overtly dedicated to terrorist activity founded on extremist beliefs. Renting trucks isn't particularly analogous with flying to such a place. Policemen are not customs agents at a border crossing.