There are 48,000 'security contractors' in Iraq…In another incident…an off-duty Blackwater operative is alleged to have shot and killed an Iraqi bodyguard of the Shia vice-president…Blackwater officials confirm that after the incident they whisked the contractor safely out of Iraq, which they say Washington ordered them to do. Iraqi officials labelled the killing a "murder". The company says it fired the contractor but he has yet to be publicly charged with any crime...Iraqi officials have consistently complained about the conduct of Blackwater and other contractors - and the legal barriers to their attempts to investigate or prosecute alleged wrongdoing. Four years into the occupation, there is absolutely no effective system of oversight or accountability governing contractors and their operations…[also refers to DynCorp, Triple Canopy, Total Intelligence, ArmorGroup, Aegis, Greystone, Erinys]