<blockquote>The program has long been criticized as unscientific, ineffective, and wasteful, and it has been blamed by passengers and TSA officers themselves for racial and religious profiling – but still it continues.</blockquote>
via <a href="https://www.aclu.org/report/bad-trip-debunking-tsas-behavior-detection-program?redirect=bad-trip">Bad Trip: Debunking the TSA's 'Behavior Detection' Program | American Civil Liberties Union</a>.