Mo. Rev. Stat. § 85.610
Current with changes from the 2024 Legislative Session
The marshal in cities of the fourth class shall be chief of police, and shall have power at all times to make or order an arrest, with proper process, for any offense against the laws of the city or of the state, and to keep the offender in the city prison or other proper place to prevent his escape until a trial can be had before the proper officer, unless such offender shall give a good and sufficient bond for his appearance for trial. The marshal shall also have power to make arrests without process, in all cases in which any offenses against the laws of the city or of the state shall be committed in his presence.
§ 85.610, RSMo