i think it's a grey area. You, me and Amnesty know they're torture. The CIA know they're torture. The prisoner knows they're torture. But i suspect the international treaties that cover torture are vague on the subject.
It's my understanding that the US intelligence agencies have been working on and perfecting specific techniques deliberately because they stand outside the remit of anti-torture treaties. It's just semantics really (unless you're on the sharp end)
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