Section 720 ILCS 5/30-1 - Treason(a) A person owing allegiance to this State commits treason when he or she knowingly: (1) levies war against this State; or(2) adheres to the enemies of this State, giving them aid or comfort.(b) No person may be convicted of treason except on the testimony of 2 witnesses to the same overt act, or on his confession in open court.(c) Sentence. Treason is a Class X felony .Amended by P.A. 103-0051,§ 20, eff. 1/1/2024.