§ 14-1-7 THEFT.
   (A)   It shall be unlawful to:
      (1)   Steal the property of another;
      (2)   By deception or by other means to avoid payment for services or intentionally obtain services which the person knows to be available only for compensation; and/or
      (3)   Have control over the disposition of services of others to which the person is not entitled. Such person knowingly diverts those services to his or her own benefit or to the benefit of another not entitled thereto.
   (B)   In any prosecution under this section, it is an affirmative defense that the property or services were openly obtained under a claim of title made in good faith, even though the claim would not prevail in a court of law.
Statutory reference:  
   Prohibiting theft, see 720 ILCS 5/16-1 et seq.