During a manslaughter trial, Juror Jenny was very impressed with the defense attorney's case. She decided to call him and let him know that he did a great job. While she spoke to several employees of the defense attorney's law firm, she was never able to speak to the defense attorney. Juror Jenny then emailed him. The defendant was acquitted. The prosecutor later learned of Juror Jenny's contact with the defense attorney during the trial. What may be a consequence of Juror Jenny's actions?