Mo. Rev. Stat. § 541.100
Current with changes from the 2023 Legislative Session
If any such wound or mortal injury shall have been inflicted in another state on any human being who shall die thereof within this state, an indictment may be found and a trial and conviction thereon had, in the county in which the death happened, in all respects as if the wound or injury had been inflicted in such county.
§ 541.100, RSMo
RSMo 1939 § 3772