R.I. Gen. Laws § 12-11.1-1: Statewide grand jury — Size and powers.

A statewide grand jury shall consist of not less than thirteen (13) nor more than twenty-three (23) persons. The jurisdiction of a statewide grand jury shall extend throughout the state and it may investigate and return indictments for crimes committed any place within the state. A statewide grand jury shall in all other respects possess the usual powers and duties of county grand juries.