It's unlikely to be ISIS I think Caz it looks as though he could have been mentally ill or had a grievance with the airline. You just don't know what set him off hope they get to the bottom of the crash. Though that's no satisfaction to the relatives of the deceased.
Aileen, Surely he is not likely to go AWOL against Young! I think that he will be keen to just get it done quickly in straight sets. Knowing it is only best of three he does not need to go 'lazy' as he did in the Davis Cup against the same opponent.