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USA: Government Accountability Office (GAO)

18 November 2011

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"Available evidence does not support whether behavioral indicators, which are used in the Transportation Security Administration’s (TSA) Screening of Passengers by Observation Techniques (SPOT) program, can be used to identify persons who may pose a risk to aviation security. GAO reviewed four meta-analyses (reviews that analyze other studies and synthesize their findings) that included over 400 studies from the past 60 years and found that the human ability to accurately identify deceptive behavior based on behavioral indicators is the same as or slightly better than chance."

See the full text: Aviation Security:TSA Should Limit Future Funding for Behavior Detection Activities (pdf): Screening of Passengers by Observation Techniques (SPOT) program.

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