https://www.theatlantic.com/politics/archive/2025/03/an-administrative-error-sends-a-man-to-a-salvadoran-prison/682254/

But in Monday’s court filing, attorneys for the government admitted that the Salvadoran man, Kilmar Abrego Garcia, had been deported accidentally. “Although ICE was aware of his protection from removal to El Salvador, Abrego Garcia was removed to El Salvador because of an administrative error,” the government told the court. Trump lawyers said the court has no ability to bring Abrego Garcia back now that he is in Salvadoran custody.