This article does not:
(1) Preempt the authority or relieve the duty of other law-enforcement or regulatory agencies to investigate, examine and prosecute suspected violations of law;
(2) Prevent or prohibit a person from disclosing voluntarily information concerning insurance fraud to a law-enforcement or regulatory agency other than the insurance fraud unit; or
(3) Limit the powers granted elsewhere by the laws of this state to the commissioner or his or her agents to investigate and examine possible violations of law and to take appropriate action against violators of law.