From the Washington Post, “Four Blackwater guards found guilty in 2007 Iraq shootings of 31 unarmed civilians“:
Seven years after American security contractors killed 14 unarmed Iraqis by firing machine guns and grenades into a Baghdad traffic circle, a jury in Washington on Wednesday convicted four Blackwater Worldwide guards of murder and manslaughter charges in the incident, one of the most ignominious chapters of the Iraq war.
The guilty verdicts marked a sweeping victory for prosecutors, who argued in a 10-week trial that the defendants fired wildly and out-of-control in a botched security operation after one of them falsely claimed to believe the driver of an approaching vehicle was a car bomber.
The guards claimed they acted in self-defense and responded appropriately to the car-bomb threat and the sound of incoming AK-47 gunfire, their defense said.
Overall, defendants were charged with the deaths of 14 Iraqis and the wounding of 17 others at Baghdad’s Nisour Square shortly after noon on Sept. 16, 2007. None of the victims was an insurgent….
Much more detail at the link.