Immigration authorities say they did not receive word of a court order blocking the removal of an Alabama father until after he had been deported to Laos.

The American Civil Liberties Union is accusing the Trump administration of unlawfully punishing immigration detainees for past crimes by transferring them to a notorious Louisiana prison.

The world's largest immigration detention system is on the cusp of explosive growth as President Donald Trump pursues his signature campaign promise of mass deportations.