I think redvanman is confused. IS aren't trying to catch Jihadi John. He's their mate! If he is ever caught it will make no difference to their plans. IS is far more than one man.
/// A prominent British jihadist who was once suspected of being Jihadi John has reportedly deserted Isis and gone on the run in Turkey – after apparently becoming disillusioned with life in Syria. ///
/// Mr Pantucci added that for any of those Britons stranded in Syria, particularly those with a higher profile, it would prove very difficult to find their way home under the radar with such tight restrictions now in place on British borders. ///