The existence of a guardianship case or the fact that a guardianship hearing is on the docket is not confidential. However, guardianship hearings shall be closed to the public, except for persons other than the parties, their counsel, witnesses and agency representatives whom the Court may, in its discretion, admit. Records, reports and evidence shall be confidential to the extent that they contain information relating to the personal history or circumstances of the minor and the minor’s family . If any person other than a party wishes to review a case file, a motion must be filed and submitted to the Court for consideration.