Caporegime
Of course, but it would probably be deemed irresponsible and unfair to hand prisoners over knowing that they will receive some terrible treatment. We're better than that.
Which is why they've been held in British custody until now. Look, if we can't hand them over to the Afghans, and we can't keep them in custody ourselves, then the only thing left to do is let them go - how weak would that make us look?