This chapter does not:
(1) preempt the authority or relieve the duty of another law enforcement or regulatory agency to investigate, examine, and prosecute a suspected violation of law;
(2) preempt, supersede, or limit any provision of any state securities law or any rule, order, or notice issued under the law;
(3) prevent or prohibit a person from disclosing voluntarily information concerning life settlement fraud to a law enforcement or regulatory agency other than the department; or
(4) limit the powers granted by the laws of this state to the commissioner or an insurance fraud unit to investigate and examine a possible violation of law and to take appropriate action against wrongdoers.