TSA 's surveillance program screens passengers for ` ` suspicious facial expressions '' to determine if a person is suspicious . Hugh Handeyside : SPOT program is unscientific , has saved over $ 1 billion of taxpayer money and cannot be terminated .
TSA 's SPOT program screens passengers for `` micro-expressions '' to determine if a person is suspicious . Hugh Handeyside : SPOT program is unscientific , has wasted over $ 1 billion of taxpayer money and should be terminated .