Several Turkish F-16 fighter jets bombed a caravan of villagers that night, apparently under the belief that they were guerilla fighters with the separatist Kurdistan Worker's Party (PKK). The group was returning from northern Iraq and their mules were loaded down with fuel canisters and other cargo. They turned out to be smugglers, not PKK fighters. Some 34 people died in the attack.
An American Predator drone flying overhead had detected the group, prompting U.S. analysts to alert their Turkish partners.
The reconnaissance flight?which was first reported by the Wall Street Journal in 2012?and its tragic consequences provided an important insight into the very tight working relationship between American and Turkish intelligence services in the fight against Kurdish separatists. Although the PKK is still considered a terrorist organization by the United States and the European Union, its image has been improved radically by its recent success in fighting ISIS in northern Iraq and Syria. PKK fighters?backed by U.S. airstrikes?are on the front lines against the jihadist movement there, and some in the West are now advocating arming the group and lifting its terrorist label.