Kilmar Abrego Garcia, whose arrest and fight to stay in the U.S. has become a flashpoint in President Donald Trump ’s immigration crackdown, surrendered Monday morning to U.S. immigration authorities in Baltimore. He faces possible efforts by the Trump administration to deport him to Uganda.

Kilmar Abrego Garcia, who was wrongly deported in March before being brought back to the U.S., was released from criminal custody in Tennessee on Friday.