"What happened Sunday is part of a deadly pattern, not just of Blackwater USA's conduct, but of the army of mercenaries that have descended on Iraq over the past four years. They have acted like cowboys, running Iraqis off the road, firing indiscriminately at vehicles and, in some cases, private forces have appeared on tape seemingly using Iraqis for target practice. They have shown little regard for Iraqi lives and have fueled the violence in that country, not just against the people of Iraq but also against the official soldiers of the United States military in the form of blowback and revenge attacks stemming from contractor misconduct. These private forces have operated in a climate where impunity and immunity have gone hand in hand."