(725 ILCS 5/124B-920)
    Sec. 124B-920. Defendant precluded from later denying the essential allegations of the offense. A defendant convicted in any criminal proceeding is precluded from later denying the essential allegations of the criminal offense of which the defendant was convicted in any proceeding under this Article regardless of the pendency of an appeal from that conviction. However, evidence of the pendency of an appeal is admissible.
(Source: P.A. 96-712, eff. 1-1-10.)