(735 ILCS 5/13-215) (from Ch. 110, par. 13-215)
Sec. 13-215. Fraudulent concealment. If a person liable to an action fraudulently conceals the cause of such action from the knowledge of the person entitled thereto, the action may be commenced at any time within 5 years after the person entitled to bring the same discovers that he or she has such cause of action, and not afterwards.
(Source: P.A. 82-280.)