The case raises questions about the Trump administration's adherence to limits set by the Supreme Court. It carries the risk of a significant clash between the two coequal branches of government and potentially a full-blown constitutional crisis.

The Supreme Court early Saturday morning paused the deportation of immigrants potentially subject to the Alien Enemies Act, freezing action in a fast-developing case involving a group of immigrants in Texas who say the Trump administration was working to remove them.

The Supreme Court temporarily blocked the Trump administration from deporting a group of Venezuelans detained in Texas, granting them a reprieve from being imminently sent to a notorious prison in El Salvador.