enhanced interrogation

Sixteen years ago, the CIA detained and tortured Gul Rahman until he died of hypothermia — but the agency never notified his family he died in its custody.
“But do I feel it works? Absolutely, I feel it works.”
James Mitchell says he's haunted but has no regrets about waterboarding suspected terrorists.
The CIA suggested it could instead provide an anonymous witness to answer questions in writing.
It's the first time someone with responsibility for the torture program has legally acknowledged their actions.