AdvertisementTrump is promising deportations under the Alien Enemies Act of 1798. What is it?Play03:58Download AudioOctober 19, 2024Rachel TreismanfacebookEmailRepublican presidential nominee Donald Trump salutes in Aurora, Colo., on Oct. 11. At that rally and others, he spoke of using a centuries-old act to expedite deportation of certain undocumented migrants. (AP)