CNNW Anderson Cooper 360 April 5, 2012
the evidence seem to support what he told us. i don't need to look him in the eye. >> sanford police won't 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, i'm quoting now, no better than flipping a coin. again, we don't know whether the sanford police department subjected zimmerman to such a test nor if they used it as a basis for not...
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