The law, which gives the president sweeping powers over non-citizens, was part of a set of statutes that emerged during the tenuous period following the Revolutionary War.

President Trump's use of the Alien Enemies Act of 1798​ to deport alleged Venezuelan gang members kicked off a legal battle.​

The legal question here isn’t necessarily what the administration is doing; it's how the administration is doing it.

Republicans are bashing a federal judge's ruling blocking the deportation of suspected gang members and say they are moving to ensure such an occurrence does not happen again.

In a significant legal blow to the Trump administration’s immigration agenda, a federal judge has slammed the brakes on a controversial deportation policy that allowed the deportation of migrants to countries where they had no prior connection — without first giving them a chance to challenge their removal in court.

There is some disagreement among experts and Republicans over whether enough was done to block Democratic-nominated judges, particularly those who are now blocking the Trump administration.