(725 ILCS 120/7) (from Ch. 38, par. 1407)
    Sec. 7. Responsibilities of victims and witnesses. Victims and witnesses shall have the following responsibilities to aid in the prosecution of violent crime:
    (a) To make a timely report of the violent crime;
    (b) To cooperate with law enforcement authorities throughout the investigation, prosecution, and trial;
    (c) To testify at trial;
    (d) To notify law enforcement authorities of any change of address.
(Source: P.A. 83-1499.)