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What Are Asad and Ali Doing in a Park?
Alleged al-Qaeda member Ali was put under surveillance by the British government. He and a friend were in a park when they started talking to each other with their hands over their mouths, but police couldn't hear what they were saying. The head of london metropolitan police surveillance said he had no idea what they were doing. But it turned out that if they were being monitored, lip readers could not tell what they were Saying.