The court decisions are an abrupt turnaround for a population that entered the country legally and shared detailed information about their whereabouts with the government.

An appeal that landed at the Supreme Court Tuesday could test the justices’ emerging concern about President Donald Trump’s aggressive deportation policies and whether he is willing to defy judicial orders.

As with many of the court's orders issued in an emergency fashion, Friday's decision was unsigned and gave no reasoning. Two of the nine-member court's three liberal justices, Ketanji Brown Jackson and Sonia Sotomayor,