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"

The Trump administration has invoked a 227-year-old law, the Alien Enemies Act, to target Tren de Aragua, a gang with its roots in the prisons of Venezuela. Who are they and how wide is their reach?