725 ILCS 220/1
Current through Public Act 103-593
"Witness" as used in this Act shall include a person whose testimony is desired in any proceeding or investigation by a grand jury or in a criminal action, prosecution or proceeding.
The word "summons" shall include a subpoena (both subpoena ad testificandum and subpoena duces tecum), order or other notice requiring the appearance of a witness.
725 ILCS 220/1