As I said once ALL the steps have been taken that don't result in answers BUT there is definitely something hidden, torture is a viable step.
Thing is, if the person is lying at this stage, they know they'll get more.
Okay, than we agree on that. I might not have put it that way, but that's basically what I mean. The thing is that indeed ALL steps have been taken, and that there definitly something is hidden, that has to be made sure, before you lock someone up in a dark cell that is to tiny to stand up straight or turn round for a couple of days, or whatever they do.
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Oh, and on a slightly different note, I read this article a couple of months ago. You can agree or not but it is an interesting read:
Official American Sadism - The New York Review of Books