§ 133.03 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) (1994 Code, § 133.03) Penalty, see § 10.99