No, this isn't about some heinous crime committed by some crazy mass murderer.
You're regarded as one who likes simple answers to complex problems. Ordinarily, I wouldn't go along with this world view, but in this case I think I can help you out.
Stop "interrogating" them. We haven't got anything useful from them anyway.
Deport them. We've still got a few tax dollars left. I don't mind your spending them on plane/boat/bus tickets for everybody to send them back to where they came from.
No more upkeep on all that prison infrastructure. No more over-priced contractors to pay. No need to to spend time and money enforcing that pesky Military Commissions Act.
And just think of all the good will and positive political capital you'd reap for displaying your much-vaunted compassion.
There. Problem solved.