The federal judge overseeing the case of Kilmar Abrego Garcia appeared extremely frustrated Friday by the Trump administration’s efforts to thwart a search for answers on what officials are doing to facilitate his return from El Salvador.

The judge in the Kilmar Abrego Garcia case reprimanded the government for not providing enough basis for her to determine if information in the case should be privileged.

U.S. District Judge Paula Xinis said the government’s refusal to provide certain information in the case has been “an exercise in utter frustration.”