Immigration March 17, 2025 11:50 am What is the Alien Enemies Act? The Alien Enemies Act is a rarely used 1798 law which allows the president to imprison and deport non-citizens in time of war. Here’s what you need to know. US & World Videos 1:50 6 to know – Top stories of the day 1:43 6 to know – Top stories of the day 1:38 6 to know – Top stories of the day 1:55 6 to know – Top stories of the day 1:47 6 to know – Top stories of the day