§ 133.02 REFUSING TO AID AN OFFICER.
   No person, upon command, shall refuse or knowingly reasonably fail to aid a person known by him or her to be a police officer in:
   (A) Apprehending a person whom the officer is authorized to apprehend; or
   (B) Preventing the commission by another of any offense.
(720 ILCS 5/31-8) (Prior Code, § 133.02) Penalty, see § 133.99