Secret lie detectors which can rumble fraudsters without them even knowing they were suspected are to be installed at a British airport.
High definition video and thermal imaging cameras could be used at passport control or in customs interviews to detect those trying to trick immigration officials.
The cameras, which would be installed covertly, would be able to pick up tell-tale signs of people giving false accounts of themselves based on research under way now.
Read more: http://www.dailymail.co.uk/news/article-2033615/Covert-lie-detection-measures-tiny-changes-facial-expression-skin-temperature.html#ixzz1Xr0GVuDn
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