US advisers tell anti-ISIS rebels to kill foreign fighters Brett McGurk, a top envoy for the American coalition fighting the terror group, said it was vital to kill foreign terrorists to stop them mounting attacks back home.

Brett McGurk, a top envoy for the American coalition fighting the terror group, said it was vital to kill foreign terrorists to stop them mounting attacks back home. US advisers tell anti-ISIS rebels to kill foreign fighters Should ISIS Terrorists be allowed to flee? What's your opinion?