You don't have to be Islamic or fascist to be a execution-style murderer...
On June 15, following an investigation by the US Army Criminal Investigation Command, three members of the 3rd Brigade Combat Team, 101st Airborne Division, Private Corey R. Clagett, Staff Sergeant Raymond L. Girouard, and Specialist William B. Hunsaker were charged with "murder, attempted murder, conspiracy, communicating a threat, and obstructing justice" in relation to the deaths of three Iraqi detainees at the Muthana Chemical Complex and threats to kill fellow soldier Private Bradley L. Mason if he revealed details to investigators. The Iraqis were allegedly shot execution-style after they were detained during a combat operation near Thar Thar Canal, southwest of Tikrit, on 09 May.[35][36]
On July 10, U.S. military officials stated that four U.S. soldiers in active service were charged for the gang-rape and murder a 14 year old Iraqi girl, and the murder of her parents and 7 year old sister after plotting the event for almost a week in Mahmudiyah. A fifth person, ex-soldier Steven Green was arrested on July 3 for the same crime by the F.B.I.[37] What happened is known as the Mahmudiyah incident.