Miss. Code Ann. § 9-27-19: Miss. Code Ann. § 9-27-19

If the participant completes all requirements imposed by the mental health treatment court, the charge and prosecution shall be dismissed. If the defendant was sentenced at the time of entry of a plea of guilty, the successful completion of the mental health treatment court order and other requirements of probation or suspension of sentence will result in the record of the criminal conviction or adjudication being expunged. However, no expunction of any implied consent violations shall be allowed.