The U.S. Embassy in Beijing could be protecting Chen Guangcheng - one of China's most famous human rights activists - after he fled house arrest; Also, a heavily-armed survivalist, suspected of killing his wife and daughter, was found dead in a doomsday-bunker; And, investigators are hoping a re-enactment will help explain how a British intelligence agent wound up dead in a zipped-up duffel bag in his own bathtub.

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