US wages covert war on Iraq-Iran border

"Iran accuses Washington of backing the group (PJAK), and while the US denies this, local and foreign intelligence sources say the accusation is most likely true. According to a former US Special Forces (SF) commando currently based in Iraq who spoke on condition of anonymity, Special Forces troops are currently operating inside Iran, working with insurgent forces like the PJAK. "That's what the SF does," he said. "They train and build up indigenous anti-government forces.""