The Rhode Island State Police (RISP) is an agency of the US state of Rhode Island responsible for statewide law enforcement and regulation, especially in areas underserved by local police agencies and on the state's limited-access highways. Its headquarters is in North Scituate.

The SIG Sauer P320 is a modular semi-automatic pistol made by SIG Sauer, Inc., SIG Sauer's American branch. It is a further development of the SIG Sauer P250, utilizing a striker-fired mechanism in lieu of a double action only hammer system. The P320 can be chambered in 9×19mm Parabellum, .357 SIG, .40 S&W, .45 ACP, and 10mm Auto and can be easily converted from one caliber to another; a change from .357 SIG to .40 S&W requires only a barrel change; a change from 9mm to .357 SIG or .40 S&W is accomplished using a caliber exchange kit.