325 ILCS 45/2

For the purposes of this Act, unless the context otherwise requires, the terms used herein shall have the following meanings ascribed to them:

(a) "Fingerprints" mean the impressions of the lines upon the fingertips taken with ink and placed upon a paper or plastic card for the purpose of identification.

(b) "Local law enforcement agency" means the office of the county sheriff or a department of a municipality authorized by law or ordinance with the duties to maintain public order, make arrests, and enforce the criminal laws of this State or municipal ordinances;

(c) "Minor" means a person under 18 years of age; and

(d) "Parent" means the natural or adoptive parent who has legal custody of the minor.