Washington State Patrol to Use Smith & Wesson M&P
The Washington State Patrol (WSP) are going to be using the Smith & Wesson Military & Police (M&P) Pistol Series for duty use. WSP has already ordered 1,400 M&P40 firearms.
Source: http://www.reuters.com/article/pressRelease/idUS110605+15-Oct-2009+PRN20091015
