Mo. Rev. Stat. § 541.080
Current with changes from the 2023 Legislative Session
When any mortal wound shall be given, or any poison shall be administered, or any means shall be employed in one county by which any human being shall be killed, who shall die thereof in another county, an indictment for such offense may be found in either county, and the same proceedings shall be had thereon, in all respects, as if the offense had been commenced and consummated in the county in which such indictment shall be found.
§ 541.080, RSMo
RSMo 1939 § 3770