The private military contractor Blackwater Worldwide has been hit with a new lawsuit over the September killings of seventeen Iraqis in Baghdad. Filed this week in US District Court, the suit accuses Blackwater guards of ignoring orders and company officials of failing to administer drug tests. According to the Center for Constitutional Rights, new evidence shows Blackwater guards had already dropped off the US official they were guarding when they opened fire. The suit says the guards defied orders to remain with the official and instead headed to Nisoor Square, where the shooting later took place. The plaintiffs also accuse Blackwater of routinely sending guards on missions despite knowing at least one-quarter have used steroids or other “judgment-altering substances.”