The Transparency Paradox - slide "Case Study: Terrorism (Total) Information Awareness"

US Pentagon (DARPA)-funded research to spot terrorist activity amongst individual lives
the power of signal processing

submarines:terrorists::Advanced Submarine Detection:TIA
DARPA insists that they don't seek any new information collection powers.
Public policy community caught by surprise and without clear legal arguments
Program defunded & director resigns: but not for reasons you'd expect...