Mo. Rev. Stat. § 541.090
Current with changes from the 2023 Legislative Session
If any such wound or mortal injury shall be inflicted on any human being in this state, who shall die thereof in another state, an indictment may be found, and a trial and conviction thereon had, in the county in which the wound or mortal injury was given or inflicted, in all respects as if the death happened in such county.
§ 541.090, RSMo
RSMo 1939 § 3771