(1) For the purposes
of this Act a police officer —
(a) may
exercise the powers, and perform the functions, of an investigator; and
(b) has
the authorities of, and protections that apply under this Act to, an
investigator.
(2) The powers that a
police officer may exercise under this section are in addition to, and do not
derogate from, the powers that the police officer has under any other law.
(3) Sections 81 and 82
do not apply to a police officer.