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 says the U.S. is being invaded by a Venezuelan gang, and he points to that as the reason he can invoke an 18th century law to deport alleged gang members without due process. Legal experts say illegal immigration,