Hawaii Revised Statutes Division 1. Government § 353C-2

(1) Preserve the public peace, prevent crime, detect and arrest offenders against the law, protect the rights of persons and property, and enforce and prevent violation of all laws and administrative rules of the State as the director deems to be necessary or desirable or upon request, to assist other state officers or agencies that have primary administrative responsibility over specific subject matters or programs;

(2) Train, equip, maintain, and supervise the force of law enforcement officers and other employees of the department;

(3) Serve process both in civil and criminal proceedings;

(4) Perform other duties as may be required by law;

(5) Adopt, pursuant to chapter 91, rules that are necessary or desirable for the administration of state law enforcement programs; and

(6) Enter into contracts on behalf of the department and take all actions deemed necessary and appropriate for the proper and efficient administration of the department.