Ill COMP STAT § 108-1_01 : Illinois Statute - Section 108-1_01

(725 ILCS 5/108‑1.01) (from Ch. 38, par. 108‑1.01)
Sec. 108‑1.01. Search during temporary questioning.
When a peace officer has stopped a person for temporary questioning pursuant to Section 107‑14 of this Code and reasonably suspects that he or another is in danger of attack, he may search the person for weapons. If the officer discovers a weapon, he may take it until the completion of the questioning, at which time he shall either return the weapon, if lawfully possessed, or arrest the person so questioned.
(Source: Laws 1968, p. 218.)