- A British citizen with ties to ISIS was arrested this week in Turkey, U.S. officials say
- The man known as Jihadi John appeared in several videos involving the beheading of ISIS hostages
- A U.S. Army spokesman says everyone in the stricken vehicle was killed, "Jihadi John" was the target
(CNN)He hid his face, but "Jihadi John" was the English-speaking voice of ISIS. His twisted, videotaped taunts and acts of terrible cruelty -- beheading hostages who had gone to the Middle East to report stories and help others -- symbolized the Islamist militant group's depravity and ruthlessness.