84.720. The police commissioners of any city with a population of three hundred fifty thousand or more inhabitants which is located in more than one county shall have power to regulate and license all private security personnel and organizations, serving or acting as such in such cities, and no person or organization shall act in the capacity of, or provide, security services in such cities without first having obtained the written license of the president or acting president of the police commissioners of such cities. In order to determine an individual's suitability to be licensed, the police commissioners of such cities shall require each applicant to be licensed to be fingerprinted and shall forward the fingerprints to the Missouri state highway patrol for a criminal history record check. Any person or organization that violates the provisions of this section is guilty of a class B misdemeanor.
(RSMo 1939 § 7675, A.L. 1943 p. 727 § 7674, A.L. 1993 H.B. 209 & 288)