U.S. intelligence officials are analyzing the voice on a ISIS video . They are comparing it with the voices of people being watched , officials told CNN . That 's the question being asked by U.S. intelligence officials as they analyze a recruitment video that features the jihadist , who speaks perfect English with a North American accent , orchestrating a mass execution . The 55-minute video released by ISIS shows the jihadist leading a mass execution . It is unclear if he was killed or executed in that clip.
U.S. intelligence officials are analyzing the voice on a ISIS video . They are comparing it with the voices of people being watched , officials told CNN . The 55-minute video released by ISIS shows the jihadist leading a mass execution . It is unclear if he was killed or executed in that clip.