(MSNBC)
New U.S. weapon: Hand-held lie detector
U.S. troops in Afghanistan first to get new device; ‘red’ means you're lying
By Bill Dedman
Investigative reporter
FORT JACKSON, S.C. - The Pentagon will issue hand-held lie detectors this month to U.S. Army soldiers in Afghanistan, pushing to the battlefront a century-old debate over the accuracy of the polygraph.
New U.S. weapon: Hand-held lie detector
U.S. troops in Afghanistan first to get new device; ‘red’ means you're lying
By Bill Dedman
Investigative reporter
FORT JACKSON, S.C. - The Pentagon will issue hand-held lie detectors this month to U.S. Army soldiers in Afghanistan, pushing to the battlefront a century-old debate over the accuracy of the polygraph.
The Defense Department says the portable device isn't perfect, but is accurate enough to save American lives by screening local police officers, interpreters and allied forces for access to U.S. military bases, and by helping narrow the list of suspects after a roadside bombing. The device has already been tried in Iraq and is expected to be deployed there as well. “We're not promising perfection — we've been very careful in that,” said Donald Krapohl, special assistant to the director at the Defense Academy for Credibility Assessment, the midwife for the new device. “What we are promising is that, if it's properly used, it will improve over what they are currently doing.”
But the lead author of a national study of the polygraph says that American military men and women will be put at risk by an untested technology. "I don't understand how anybody could think that this is ready for deployment," said statistics professor Stephen E. Fienberg, who headed a 2003 study by the National Academy of Sciences that found insufficient scientific evidence to support using polygraphs for national security. "Sending these instruments into the field in Iraq and Afghanistan without serious scientific assessment, and for use by untrained personnel, is a mockery of what we advocated in our report."
The new device, known by the acronym PCASS, for Preliminary Credibility Assessment Screening System, uses a commercial TDS Ranger hand-held personal digital assistant with three wires connected to sensors attached to the hand. An interpreter will ask a series of 20 or so questions in Persian, Arabic or Pashto: "Do you intend to answer my questions truthfully?" "Are the lights on in this room" "Are you a member of the Taliban?" The operator will punch in each answer and, after a delay of a minute or so for processing, the screen will display the results: "Green," if it thinks the person has told the truth, "Red" for deception, and "Yellow" if it can't decide.
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Lord have mercy!! I can just hear the footsteps pounding down the halls of congress and into the courtrooms of all the civil libertarians, ACLU shysters, and other do-gooders rushing in to oppose the use of this new tool. They'll probably ban them at Gitmo for use as well.....
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