Any of the following acts is a misdemeanor when the damage to property is $500 or less, and any such act is a class 4 felony when the damage to property exceeds $500. Felony violations shall be prosecuted under appropriate state law.
(A) Knowingly damages any property supported in whole or in part with state funds, funds of a unit of local government or school district, or federal funds administered or granted through state agencies without the consent of the state; or
(B) Knowingly, by means of fire or explosives, damages property supported in whole or in part with state funds, funds of a unit of local government or school district, or federal funds administered or granted through state agencies; or
(C) Knowingly starts a fire on property supported in whole or in part with state funds, funds of a unit of local government or school district, or federal funds administered or granted through state agencies without the consent of the state; or
(D) Knowingly deposits on land or in a building supported in whole or in part with state funds, funds of a unit of local government or school district, or federal funds administered or granted through state agencies without the consent of the state, any stink bomb or any offensive-smelling compound, and thereby intends to interfere with the use by another of the land or building.
(ILCS Ch. 720, Act 5, § 21-4) Penalty, see § 130.99