Section 725 ILCS 5/112-5 - Duties of others(a) The clerk of the court shall keep such records of Bills of Indictments and No Bills as may be prescribed by Rule of the Supreme Court.(b) The court may appoint an investigator or investigators on petition showing good cause for same and signed by the foreman and 8 other grand jurors. The duties and tenure of appointment of such investigator or investigators shall be determined by the court.