The children, who crossed the border as unaccompanied minors, are being kept in shelters. Experts said the move raised troubling legal questions.

© Adrees Latif/Reuters

An analysis of census data by the Pew Research Center found that between January and June, the foreign-born population declined by nearly 1.5 million.

© Todd Heisler/The New York Times

Springfield faced a crisis after Donald Trump falsely claimed Haitians were eating pets. Now his policies are driving out workers like Wilford Rinvil, who left for Canada.

© Maddie McGarvey for The New York Times

Court-mandated oversight will remain in place for migrant children in custody. Lawyers have reported poor medical care and lack of sunlight and showers.

© Paul Ratje for The New York Times