The Supreme Court ruling that permits President Donald Trump to use a centuries-old wartime authority to speed deportations is drawing sharp criticism from immigration experts who fear the decision could erode migrants’ due process rights to have their cases reviewed before they’re sent to a foreign prison.

The Supreme Court on Monday threw out the order of a federal judge who who had blocked the removal of alleged members of Venezuelan gang Tren de Aragua to El Salvador without any legal process under the Alien Enemies Act.