ISIS has beheaded hostages for propaganda purposes and traded some for ransom . An ISIS outfit based in northeastern Syria has been drawing up plans since at least the middle of last year to kidnap Westerners and others in neighboring countries , a Middle East security source told CNN on Friday . Comment: There are many camps near the borders housing refugees -- and aid workers .
ISIS has beheaded hostages for propaganda purposes and traded some for ransom . Comment: There are many camps near the borders housing refugees -- and aid workers .