Bourne, with a suppressed P226.
The SIG Sauer P226 is a full-sized, service type pistol chambered for the 9x19mm Parabellum, .40 S&W and .357 SIG. Its design is based on the venerable SIG Sauer P220. The P226 has come to be known as one of the most distinguished combat pistols in existence because of its reliability and durability.
The P226 Tactical was featured as a suppressed weapon in The Bourne Conspiracy movie.