For purposes of the Oklahoma Minor Identification Act:
1. "Fingerprint" means the impression of the lines upon the fingertip taken with ink and placed upon a paper or plastic card for the purpose of identification;
2. "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;
3. "Minor or child" means a person under eighteen (18) years of age; and 4. "Parent" means the natural or adoptive parent who has legal custody of the minor.