The Supreme Court…rejected an appeal by four Blackwater Worldwide security guards who argued prosecutors made improper use of their statements to investigators in charging them with killing 14 Iraqi civilians in 2007. The justices refused to review a ruling by a U.S. appeals court…that reinstated the criminal charges against the guards for their roles in the Baghdad shooting…The shooting occurred as the guards…escorted a heavily armed four-truck convoy of U.S. diplomats through the Iraqi capital on September 16, 2007. The guards…responded to a car bombing when gunfire erupted at a busy intersection. The guards told…investigators they opened fire in self-defense, but prosecutors said the shooting was an unprovoked attack on civilians…In appealing to the Supreme Court, the attorney for the guards…argued the government had compelled them to make potentially incriminating statements.