Fifty-eight private security companies today signed an historic International Code of Conduct for Private Security Providers, an agreement to uphold human rights respecting principles and to establish an inclusive oversight mechanism to verify that these principles are implemented..."This Code is a strong document and an important step in building an effective scheme for improving this industry's human rights performance," said Human Rights First's Devon Chaffee, who spoke at today's signing ceremony in Geneva. "But its true value will depend on how it's enforced..."...Today's ceremony was attended by companies' CEOs from around the world...Ten American companies are among the documents initial signers, including industry leaders such as DynCorp, Triple Canopy, and Xe Services (formerly Blackwater).