725 ILCS 215/7

The Attorney General or his assistant shall attend each Statewide Grand Jury, and shall prosecute any indictment returned by it, unless the State's Attorney of the country of venue for the indictment consents to prosecute the indictment. The Attorney General or his assistant shall have the same powers and duties in relation to a Statewide Grand Jury that a State's Attorney has in relation to a county grand jury, except as otherwise provided in this Act.