The Trump administration says the group should be treated as an invading force. Critics say it’s a pretext for the administration’s anti-immigrant narrative.

Here's what to know about Tren de Aragua, a Venezuelan gang declared in a presidential action by Donald Trump as a "Foreign Terrorist Organization"

Trump labeled the Tren de Aragua an invading force when he invoked the Alien Enemies Act, a 1798 authority that allows the president to deport any noncitizen during wartime.