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 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?

President Donald Trump thanked the country of El Salvador and its president, Nayib Bukele, for accepting members of the MS-13 and Tren de Aragua gangs, calling them “monsters” who were only in the country because of “Crooked Joe Biden and the Radical Left Democrats.