If a mortal wound is given, or if other violence or injury is inflicted, or if poison is administered, in one county, by means whereof death ensues in another county, the homicide may be prosecuted and punished in either county.
Mass. Gen. Laws ch. 277, § 60
Homicide if injury is in one county and death in another; venue
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.