In every case of murder and of manslaughter, if a person is poisoned or wounded in 1 county and dies thereof in another county, prosecution shall be had in the county wherein such person was poisoned or wounded. Whenever the cause producing the death of a person happens in a county and the death out of it, the offense shall be deemed complete in the county wherein the cause happens and shall there be inquired of, heard and determined.

Code 1852, § ?2947; Code 1915, § ?4818; Code 1935, § ?5306; 11 Del. C. 1953, § ?2732;