Section 12-16-2 - Definitions(a) "State" includes any territory of the United States and the District of Columbia.(b) "Witness" as used in this chapter includes a person whose testimony is desired in any proceeding or investigation by a grand jury or in a criminal action, prosecution, or proceeding.P.L. 1936, ch. 2382, § 1; G.L. 1938, ch. 626, § 1; G.L. 1956, § 12-16-2.