Is it not possible that they did hold the correct permits, but their intent to traffic voided the permit, causing it to be unlawful importation? I don't recall the exact wording, but my understanding was that the importation required there to be intent to use them lawfully?
Maybe you'll find someone else to help you. Maybe black mesa... THAT WAS A JOKE, ha ha, fat chance.
My Buy/Sell 1337ness rating