Scholar unconvinced new lie-detection methods better than old ones

(PhysOrg.com) -- When a crime has been committed, the usual modus operandi for police detectives and their fictional counterparts has been to dust the scene for fingerprints. And once they have a suspect in custody, out comes the polygraph, or lie detector.

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<p><a href="http://www.physorg.com/news163156190.html">Scholar unconvinced new lie-detection methods better than old ones</a></p> <p>(PhysOrg.com) -- When a crime has been committed, the usual modus operandi for police detectives and their fictional counterparts has been to dust the scene for fingerprints. And once they have a suspect in custody, out comes the polygraph, or lie detector.</p>