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.

In an overnight ruling blocking the Trump administration from deporting a group of Venezuelans, the justices ignored some of their protocols.

The ACLU said the rapid developments meant the administration was poised to deport the men using a 1798 law that historically has been employed only in wartime without affording t