NEW : Iraq to ask Justice Department to appeal decision dismissing charges . Security guards in 2007 shootings `` committed murder , '' official says . Judge found that men 's statements were wrongly used against them . ` The judge said the government had failed to prove its case beyond a reasonable doubt and ordered new trials for all defendants.'
NEW : Iraq to ask Justice Department to appeal decision dismissing charges . Security guards in 2007 shootings `` committed murder , '' official says . Judge found that men 's statements were wrongly used against them . `` What happened is disregard for Iraqi blood , '' victim says .