Illinois Statutes Chapter 725. Criminal Procedure § 215/10. Assistance of Attorney General

§ 10. The Attorney General shall, at the earliest opportunity, upon initiation of Grand Jury action, consult with and advise the State's Attorney of any county involved in a Statewide Grand Jury terrorist or narcotics investigation. Further, the State's Attorney may attend the Grand Jury proceedings or the trial of any party being investigated or indicted by the Statewide Grand Jury, and may assist in the prosecution, which in his or her judgment, is in the interest of the people of his or her county. Prior to granting transactional immunity to any witness before the Statewide Grand Jury, any State's Attorney with jurisdiction over the offense or offenses being investigated by the Statewide Grand Jury must consent to the granting of immunity to the witness. Prior to granting use immunity to any witness before the Statewide Grand Jury, the Attorney General shall consult with any State's Attorney with jurisdiction over the offense or offenses being investigated by the Statewide Grand Jury.