In a memo published on Friday, the Office of Refugee Resettlement, which oversees the care of migrant children, said it would now require that all adult members of a household where a child is to live in the United States must be fingerprinted before the minor can be released by a shelter.

President Trump made it clear on the campaign trail that cracking down on immigration is one of his main priorities, vowing to track down, arrest, and deport people residing in the U.S. without legal status.

There are more than 600,000 migrant children who have crossed the southern border without a legal guardian or parent since 2019, according to government data.