Wikipedia
Usage examples of "in open court".
Lycus was taken back to Old Oaks, tried in open court, and hanged in the main square.
They agreed to swear the finger-biting on the Greaser in open court, and get him sent to the penitentiary for the crime of mayhem.
During the trial, he perjured himself on the witness stand by testifying in open court that these were not the men he saw and was cited for contempt.