Ill. Admin. Code tit. 95, § 400.645
a) For purposes of this Section:
d) An inspection may include, but is not limited to:
1) an examination to determine and to ensure that the command is:
3) an examination to locate and confiscate unlawful weapons and other contraband, provided subsection (b) is not violated. The prosecution must prove by clear and convincing evidence that the examination was an inspection within the meaning of this subsection (d)(3) if a purpose of an examination is to locate weapons or contraband and if: