The civil rights group has long been a target for conservative activists, who object to its characterisations.
The Trump administration has unveiled plans for a huge structure to mark 250 years since the US declared independence.
Abrego Garcia's wrongful removal in 2025 has spurred criticism of the Trump administration's mass deportation campaign.
Judge Boasberg says Trump administration's arguments 'do not come close to convincing Court' of subpoenas' legitimacy.