CNNW Anderson Cooper 360 April 5, 2012
the evidence seem to support what he told us. i dont need to look him in the eye. >> sanford police wont comment on whether they put him through such a test when they questioned him but do say they use it as do other police departments. how reliable are they? we contacted an expert who did a study of the devices when used to question suspects about drug use. he says their ability to detect deception is, im quoting now, no better than flipping a coin. again, we dont know whether the san...
Station Wofl Voice Stress Test Trayvon Martin Sanford Police Won T Comment Police Departments Drug Use
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