Pakistan WorldFormer Blackwater again changes name as ACADEMIKatrina JonesDecember 13, 2011December 13, 2011 by Katrina JonesDecember 13, 2011December 13, 2011 Washington: The notorious  US security firm, Xe Services, which was  formerly known as Blackwater and was barred from Iraq over a deadly 2007 shooting, renamed...