625 ILCS 5/1-157.5

(625 ILCS 5/1-157.5) Sec. 1-157.5. Peace officer. Any person who by virtue of his or her public employment is vested by law with a duty to maintain public order or to make arrests for offenses, whether that duty extends to all offenses or is limited to specific offenses. (Source: P.A. 93-788, eff. 1-1-05.)