(a) The park police:
(1) possess all the powers and authority vested by existing law in the Montgomery County and Prince George’s County police;
(2) are responsible to and under the supervision of the Commission; and
(3) shall exercise supervisory jurisdiction over the park system.
(b) The park police shall:
(1) prevent crime;
(2) apprehend criminals;
(3) enforce the criminal and motor vehicle laws of the State;
(4) enforce park regulations; and
(5) perform other related duties that the Commission imposes.