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?

Tren de Aragua, a gang born out of a Venezuelan prison, is a loose network that doesn’t operate like groups typically considered terrorist organizations.

The United States deported hundreds of men over the weekend alleged to be members of Tren de Aragua, a Venezuelan gang with prison origins that has become a key reference in President Donald Trump's immigration crackdown.