However, Mr. Kelton, who was involved in investigating the agent losses, said Chinese intelligence operations represent “a secret assault on America that is without parallel since that mounted by Moscow in the 1930s and ’40s.”
CIA rebuilding spy networks in China a decade after losing agents, director reveals
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But Mr. Kelton said charging documents in cases of Americans arrested recently for betraying the country showed damage beyond economic losses.
Loss of Chinese agents undercuts U.S. COVID-19 origin probe
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