Trump officials asked the justices to immediately halt the order from U.S. District Judge Maame E. Frimpong in Los Angeles. She found a “mountain of evidence” that enforcement tactics were violating the U.S. Constitution in what the plaintiffs called “roving patrols.”

A lower court had ordered agents not to make indiscriminate stops relying on factors like race or speaking Spanish.

President Donald Trump’s administration urged the Supreme Court on Thursday to allow immigration enforcement officials to continue what critics describe as “roving patrols” in Southern California that lower courts said likely violated the 4th Amendment.