By Kim-Jenna Jurriaans, IPS | UPDATE from Haiti Chery. The United Nations is increasingly hiring Private Military and Security Companies (PMSCs) for its missions across the world, raising concerns over the use of firms known for participation in human rights abuses, as well as an overall lack of accountability structures governing these contractors within the U.N. system. UPDATE 1: DynCorp boasts of having trained 400 “Haitian police” and is awarded a $48.6 million contract to insert 100 contractors and 10 advisors into the “UN police force” in Haiti.