720 ILCS 5/31-4.5 : RIGHTS AND REMEDIES — CRIMINAL OFFENSES — CRIMINAL CODE — CRIMINAL CODE OF 2012 — SPECIFIC OFFENSES — OFFENSES AFFECTING GOVERNMENTAL FUNCTIONS — INTERFERENCE WITH PUBLIC OFFICERS —4.5 - Obstructing Identification TEXT PDF (a) A person commits the offense of obstructing identification when he or she intentionally or knowingly furnishes a false or fictitious name, residence address, or date of birth to a peace officer who has: (1) lawfully arrested the person; (2) lawfully detained the person; or (3) requested the information from a person that the peace officer has good cause to believe is a witness to a criminal offense. (b) Sentence. Obstructing identification is a Class A misdemeanor. 720 ILCS 5/31-4.5 Added by P.A. 096-0335,§ 5, eff. 1/1/2010.