Some of you guys are retarded when it comes to Blackwater the organization or any contractor in general...
But here is the anti-pinkerton act for your reading pleasure
http://uscode.house.gov/uscode-cgi/f...8%29%29%3ACITE
The only thing the United States didn't agree on when it comes to mercenary roles in combat is several U.N protocols that forfeit a mercenaries right to "prisoner of war" status if captured in combat, because insurgents and terrorists are required to be treated as POW's the United States found it hypocritical.