CARACAS, Venezuela (AP) — Debates over President Donald Trump’s hardline migration policies are focused on the Venezuelan gang Tren de Aragua, to some a ruthless transnational criminal organization and to others the pretext for an overhyped anti-migrant narrative.

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.

President Trump on Saturday invoked the Alien Enemies Act of 1798 to order the swift detention and deportation of all Venezuelan migrants suspected of being members of the Tren de Aragua prison gang,

In 1798, with the U.S. preparing for what it believed would be a war with France, Congress passed a series of laws that increased the federal government’s reach. The Alien Enemies Act was created to give the president wide powers to imprison and deport noncitizens in time of war.

The president’s invocation of the wartime law enacted in 1798 was quickly blocked by a federal judge. It had only been used three times before in U.S. history.

Karen Ebel and Grace Shimizu, whose fathers were held prisoner in U.S. internment camps, explain the grave cost of