Hawaii Revised Statutes Division 3. Property; Family § 571-72

(a) The juvenile division or section shall direct its attention specifically to the suppression, prevention, and investigation of crimes committed by children under the age of eighteen years, and any police officer shall have the power and authority to take and detain any minor coming under section 571-11 at the division or section or other suitable places for questioning and investigation. If it appears upon conclusion of the investigation that the minor does come within such provisions, the minor may be counseled and released, and follow-up counseling provided or the minor may be referred to the family court or to a proper agency for treatment, and a written report of the findings of the officer shall be submitted to the court or agency.

(b) Upon receipt of an expungement order issued by the family court under section 571-88, the police shall expunge the arrest record of the minor.