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?

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.

Tren de Aragua, commonly known as TdA, is the Venezuelan gang targeted by President Trump in recent mass deportations. On Saturday, Trump invoked the Alien Enemies Act of 1798, the first time it’s