Mo. Rev. Stat. § 479.110
Current with changes from the 2023 Legislative Session
The city marshal, chief of police or other police officer of any municipality shall, without a warrant, make arrests of any person who commits an offense in his presence, but such officer shall, before the trial, file a written complaint with the judge hearing violations of municipal ordinances.
§ 479.110, RSMo
Effective 1/2/1979