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The thermal imager will expose the scammer

29.07.2002

A thermal image can detect a lying scammer and thus help the security service, for example, an airport.

A criminal volunteer, recruited by D. Levin from the May clinic in Rochester (USA), hit a mannequin and snatched 20 dollars. from his hands. Using a thermal imaging camera, Levin captured an image of his face during interrogation. The guilty person, when he lied, had a bright flash in his eyes and around his eyes, while there were no changes in the control innocent interrogators.

As a result, it was possible to separate the guilty and the innocent with an accuracy of 83%. This result was comparable to the existing lie detector - a polygraph that captures the pulse rate, respiration or the appearance of perspiration.

When working with a thermal imaging camera (unlike a polygraph), you do not need to know the psychology of a person or the initial parameters of his pulse, respiration, and you do not need time to process and analyze the measured data. A thermal imaging camera can also reveal different ways to disguise the offender - heavy makeup or a wig.

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