Did the flight originate in Canada or maybe Alaska?
He could probably check a handgun into his luggage in Alaska, but I doubt it’s possible in Canada.
FReeper Boardwalk says he flew in from Anchorage. His luck to land in a death penalty state.
Or maybe the Middle East and he was returning from an ISIS controlled training mission? I know tin foil, but there are thousands of converts. To the Religion of PISS!