Mo. Rev. Stat. § 545.100
Current with changes from the 2023 Legislative Session
Sections 545.080 and 545.090 shall not extend to any officer making any such disclosure by the issuing or in the execution of any process on such indictment, or in any other way, when it shall become necessary in the discharge of any official duty.
§ 545.100, RSMo
RSMo 1939 § 3938