Ed and Paula Kassig plead for ISIS to release their son . Abdul-Rahman Kassig served as a U.S. Army Ranger and went to Syria as an aid worker . ( CNN ) -- He was captured by the Islamic State in August 2014, along with his wife and two children. Henning was a `` local and national hero , '' a joint statement from 200 mosques says .
Ed and Paula Kassig plead for ISIS to release their son . Abdul-Rahman Kassig served as a U.S. Army Ranger and went to Syria as an aid worker . He was captured by the Islamic State in August 2014, along with his wife and two children. Henning was a `` local and national hero , '' a joint statement from 200 mosques says .