Dugan appeared angry when she approached him in the hallway outside her courtroom, he said. Another member of the arrest team, Customs and Border Protection Supervisory Officer Joseph Zuraw, said Dugan jerked her thumb over her shoulder and told him to “get out” before directing him to the chief judge’s chambers.

Judge Hannah Dugan’s federal trial began Monday as prosecutors alleged she blocked an ICE arrest and the defense cited uncertainty over immigration enforcement rules.