Lake County Chief Judge David Hall was also allegedly pepper-sprayed in the encounter with Vernon Hills police during the weekend, the Chicago Sun-Times said.
The Chicago Tribune said Hall could lose his position on the bench.
The Arlington Daily Herald said Hall's lawyer said the pepper spraying was unnecessary, and that the matter would be cleared up in court.
"We look forward to receiving the audio and videotapes of Judge Hall's encounter with the police," said attorney Mark Belokon. "We believe they will tell the whole story and we will be preparing for trial."
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