A witness has a privilege to refuse to disclose the identity of a person who has furnished information purporting to disclose a violation of a provision of the laws of this state or of the United States to a representative of the state or the United States or a governmental division thereof, charged with the duty of enforcing that provision, or to a member of a crime stoppers chapter recognized by the Kansas state crime stoppers organization, and evidence thereof is inadmissible, unless the judge finds that:
K.S.A. 60-436