Section 84.343 - Purpose of establishing a municipal police force, St. Louis City - written license required, when, penalty1. Subject to the provisions of sections 84.344 to 84.346, any city not within a county may establish a municipal police force for the purposes of: (1) Preserving the public peace, welfare, and order;(2) Preventing crime and arresting suspected offenders;(3) Enforcing the laws of the state and ordinances of the city;(4) Exercising all powers available to a police force under generally applicable state law; and(5) Regulating and licensing all private watchmen, private detectives, and private policemen serving or acting as such in said city.2. Any person who acts as a private watchman, private detective, or private policeman in said cities without having obtained a written license from said cities is guilty of a class A misdemeanor.L. 2012 Adopted by Initiative, Proposition A, 11/6/2012