Thats when people start lying just to have it stop. Which doesn't really help anyone and a big reason some people don't support torture even though they have no problems with harming others.
That's why part of the process is to tell them that what they are saying is going to be checked out.
But Howie is probably right. For all we know, the government has butcher knives up their asses and is following Medieval instruction manuals and we will never know.
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