Todd Blanche, the acting attorney general, during an appearance before the Senate appropriations subcommittee on Tuesday.

Justice Neil Gorsuch with former Justice Stephen Breyer at a memorial event for Antonin Scalia last year during a Federalist Society convention in Washington.

The case before the Supreme Court could have broader implications for tens of millions of Americans who receive a wide array of free health care services.

Unlawful crossings into the United States from Mexico have been increasing in recent months. Migrants are processed at locations like this one in Brownsville, Texas.