Mass. Gen. Laws ch. 265, § 3: Duel; wound without and death within state; venue

Section 3. An inhabitant or resident of this commonwealth who, by previous appointment or engagement made within the same, fights a duel outside its jurisdiction, and in so doing inflicts a mortal wound upon a person whereof he dies within the commonwealth shall be guilty of murder within this commonwealth, and may be indicted, tried and convicted in the county where the death occurs.