At issue is Trump’s invocation of the 18th-century law in March to remove noncitizens labeled as members of the Venezuelan gang Tren de Aragua. In his order, Trump proclaimed Tren de Aragua members were “perpetrating,

Judge Andrew Oldham, a Trump appointee, asked if there was any case law that shows you can “second-guess the president of the United States” when the commander in chief says

The Trump administration touched off a legal battle in March when it invoked the Alien Enemies Act to deport two planeloads of alleged migrant gang members to the CECOT mega-prison in El Salvador by arguing that Tren de Aragua is a "hybrid criminal state" that is invading the United States.