If all he could manage to do was plant fake bombs was he a real danger?
And if he is trying to leave the country isn't that a good thing? One less to keep in our prison system and one at least crossing the channel in the right direction.
"Yes, but, he was still a prisoner, a felon who had broken the law"
He is yet to be tried,
"Mr Khalife was being detained at the category B prison while awaiting trial over terror and Official Secrets Act charges, including allegations he planted fake bombs at an Army base."