Lie Detectors Don't Work: New Study
According to a new study by the National Academy of Sciences, lie detectors don't work.
We've always argued their value to law enforcement is not in truth telling capabilities, but in the pre-test interview, where the cops try to trick someone into cooperating or confessing (saying the polygraph will show they are lying so they better cut their losses and make a deal now, or that someone else has already given them up, or that they have evidence that they really don't have or in asking for and getting incriminating information to help build their case.) Thanks to Instapundit for the link, and he has some longer quotes.
Update: We just learned that the author of the polygraph article is Charles Pierce, the same Charles Pierce that sends all the letters to Eric Alterman over at Altercation, and guest-blogs for him sometimes.
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