“The mole hunt eventually zeroed in on a former agency operative who had worked in the C.I.A.’s division overseeing China, believing he was most likely responsible for the crippling disclosures.”
By MARK MAZZETTI, ADAM GOLDMAN, MICHAEL S. SCHMIDT and MATT APUZZO; New York Times:
WASHINGTON — The Chinese government systematically dismantled C.I.A. spying operations in the country starting in 2010, killing or imprisoning more than a dozen sources over two years and crippling intelligence gathering there for years afterward.
Current and former American officials described the intelligence breach as one of the worst in decades. It set off a scramble in Washington’s intelligence and law enforcement agencies to contain the fallout, but investigators were bitterly divided over the cause. Some were convinced that a mole within the C.I.A. had betrayed the United States. Others believed that the Chinese had hacked the covert system the C.I.A. used to communicate with its foreign sources. Years later, that debate remains unresolved.
But there was no disagreement about the damage. From the final weeks of 2010 through the end of 2012, according to former American officials, the Chinese killed at least a dozen of the C.I.A.’s sources. According to three of the officials, one was shot in front of his colleagues in the courtyard of a government building — a message to others who might have been working for the C.I.A.
Still others were put in jail. All told, the Chinese killed or imprisoned 18 to 20 of the C.I.A.’s sources in China, according to two former senior American officials, effectively unraveling a network that had taken years to build.
Assessing the fallout from an exposed spy operation can be difficult, but the episode was considered particularly damaging. The number of American assets lost in China, officials said, rivaled those lost in the Soviet Union and Russia during the betrayals of both Aldrich Ames and Robert Hanssen, formerly of the C.I.A. and the F.B.I., who divulged intelligence operations to Moscow for years.
The previously unreported episode shows how successful the Chinese were in disrupting American spying efforts and stealing secrets years before a well-publicized breach in 2015 gave Beijing access to thousands of government personnel records, including intelligence contractors. The C.I.A. considers spying in China one of its top priorities, but the country’s extensive security apparatus makes it exceptionally hard for Western spy services to develop sources there.
At a time when the C.I.A. is trying to figure out how some of its most sensitive documents were leaked onto the internet two months ago by WikiLeaks, and the F.B.I. investigates possible ties between President Trump’s campaign and Russia, the unsettled nature of the China investigation demonstrates the difficulty of conducting counterespionage investigations into sophisticated spy services like those in Russia and China.
The C.I.A. and the F.B.I. both declined to comment.
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