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(A) A person who knowingly sells, gives away, manufactures, purchases or possesses a jackrock or who knowingly places, tosses or throws a jackrock on public or private property commits a Class A misdemeanor.
(B) As used in this section, JACKROCK means a caltrop or other object manufactured with one or more rounded or sharpened points, which when placed or thrown present at least one point at such an angle that it is peculiar to and designed for use in puncturing or damaging vehicle tires. It does not include a device designed to puncture or damage the tires of a vehicle driven over it in a particular direction, if a conspicuous and clearly visible warning is posted at the device’s location, alerting persons to its presence.
(C) This section does not apply to the possession, transfer or use of jackrocks by any law enforcement officer in the course of his or her official duties.
(ILCS Ch. 720, Act 5, § 21-1.4) Penalty, see § 130.99