The intelligence community knew it had a mole problem. It couldn’t account for lost assets and blown operations. So the FBI and CIA set out on another mole hunt – and this time, there was one suspect who fit better than the rest. He was a career CIA officer who had been around important cases that went sideways. The FBI tailed him for two years and then squeezed him and his family for almost two more. Just one problem: he wasn’t the mole.

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