U.S. Customs and Border Patrol Commander Gregory Bovino is in federal court in Chicago, testifying before Judge Sara Ellis on alleged violations of a temporary restraining order during Operation Midway Blitz.

Bovino, a nearly 30-year veteran of the U.S. Border Patrol, has emerged as a central figure in Trump's aggressive immigration strategy.

The Border Patrol chief must himself wear a body camera and turn over all agents’ use of force reports by Friday, the judge added.

The top U.S. Border Patrol commander spent an hour on the stand Tuesday, responding to U.S. District Judge Sara Ellis' concerns about how federal agents have handled themselves, people they’ve detained,

Bovino has become the public face of the Trump administration’s aggressive deportation campaign in Chicago, known as “Operation Midway Blitz.” The judge called him into court one day after attorneys a

U.S. District Judge Sara L. Ellis called Border Patrol Cmdr. Gregory Bovino into court to respond to reports that his agents violated her orders.

The actions would violate a federal order imposed by U.S. District Court Judge Sara L. Ellis to limit the use of nonlethal weapons and other crowd control tactics.