The government isn't retreating from a new criminal case against a group of former private security guards who were first charged in 2008 with manslaughter for their alleged roles in a shooting in Iraq that left more than a dozen civilians dead…[It ] is moving forward with a superseding indictment and should have new charges finalized in the next six-to-eight weeks…The defense attorneys said today they'd likely challenge any new indictment [and] that it's an open question whether the government has jurisdiction to prosecute the guards…[The Judge] dismissed the charges in a ruling in December 2009, finding that the indictment was "fatally tainted."