The words of President Donald Trump and members of his administration undermined the government's contention during a court hearing on Wednesday that the men deported from the country under the Alien Enemies Act and delivered to El Salvador were not in the constructive custody of the United States.

New details deepen questions about the deportations, showing that El Salvador’s president pressed for assurances that the migrants were really members of the Tren de Aragua gang.

Boasberg is determining whether people deported to El Salvador should be returned and, if so, what role the U.S. has in facilitating this.