Here are the stories of the aid workers snatched by militants bent on using them as political pawns : . Ed and Abdul-Rahman 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 featured at the end of an Western video showing the beheading of Ed . Henning was a `` local and national hero , '' a joint statement from hundreds mosques says .
Ed and Abdul-Rahman 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 featured at the end of an Western video showing the beheading of Ed . Henning was a `` local and national hero , '' a joint statement from hundreds mosques says .