A recent government report criticizes the Transportation Security Administration's behavior-profiling program, noting that it remains unclear whether behavior detection prevents terrorism. The report, by the Government Accountability Office, also states that TSA began using the program, Screening of Passengers By Observational Techniques, before determining whether it was supported by scientific analysis. The GAO recommended that TSA examine airport video of individuals who are later charged with or plead guilty to terrorism-related offenses. TSA is considering using such video.

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