from washington post's top secret america (who make it remarkably easy to copy these videos)
Thermal camera
Scientists at the Defense Academy for Credibility Assessment (DACA) are using a thermal-imaging camera to measure changes in facial temperature, which can help determine whether a person is lying. Some data suggests that a person who is lying may register a temperature increase near the inside corner of the eye. The scientists hope to use such cameras for security screenings at airports, train stations, border crossings, stadiums or large events. (Video by Ben de la Cruz / The Washington Post)
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