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RT
November 14, 2013
A behavioral profiling program conducted by the TSA at airports across the US cannot be proven to be effective, and its application is highly arbitrary, according to the government’s own watchdog. The scheme has received nearly $1 billion since 2007.
The Government Accountability Office (GAO) says in a new report that techniques used in the Transportation Security Administration’s Screening of Passengers by Observation Techniques (SPOT) program, in which TSA agents – or behavioral detection officers (BDOs) – attempt to read into airline passengers’ behavior for possible risks, are basically “no better than chance” at snuffing out nefarious intent.
A May 2010 report by the GAO found that the TSA used SPOT without proper validation of the scientific basis for the techniques, and that SPOT did not have substantive performance measures to ensure uniformity in its application. The Department of Homeland Security, the TSA’s parent federal agency, rebuked the 2010 report findings and asked the GAO for an update.
The current report concludes that SPOT is still not standing on solid scientific ground. The report considered decades of studies on behavioral assessment, including the techniques used by BDOs at airports.
“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,” the report states.
In addition, the GAO analyzed how BDOs employ SPOT at various airports.
“Twenty-one of the 25 behavior detection officers GAO interviewed at four airports said that some behavioral indicators are subjective,” the report says. “GAO analyzed data from fiscal years 2011 and 2012 on the rates at which BDOs referred passengers for additional screening based on behavioral indicators and found that BDOs’ referral rates varied significantly across airports, raising questions about the use of behavioral indicators by BDOs.”
The TSA says it is working to better define how SPOT is used, but the GAO says the TSA still has limited ways of evaluating the program’s effectiveness.
“To help ensure consistency, TSA officials said they deployed teams nationally to verify compliance with SPOT procedures in August 2013,” the GAO says. “However, these teams are not designed to help ensure BDOs consistently interpret SPOT indicators.”
The Department of Homeland Security’s inspector general released a report last May saying that SPOT is difficult to prove effective.
The GAO ultimately recommended that Congress should “consider the absence of scientifically validated evidence for using behavioral indicators to identify threats to aviation security when assessing the potential benefits and cost in making future funding decisions for aviation security.”
The Department of Homeland Security continues to resist the GAO’s analysis of the behavioral indicators, the report says.
“The report released today by GAO displays what I have been saying for years – that TSA’s Screening of Passengers by Observation Techniques program is fundamentally flawed, cannot be proven effective, and should no longer be funded with taxpayer dollars,” Rep. Bennie Thompson (D-MS) said in a Wednesday statement.
