This file photo taken on August 13, 2008 shows the seal of the Central Intelligence Agency (CIA) in the lobby of CIA Headquarters in Langley, Virginia.
After China reportedly broke up a network of CIA sources and operatives inside China around 2010, the agency began digging deeply for leaks and possible moles that may have exposed them.
Andrew Yuk Ching Ma was tricked into admitting his activities last year by a US undercover agent who, posing as a Chinese intelligence officer, told Ma he had been underpaid for at least a decade of work, according to an indictment.
The indictment gives no hint of what Ma may have done after 2010 or when US counterintelligence investigators first became suspicious of him before 2019.
Washington,
A former officer for the CIA and then the FBI was charged in federal court in Hawaii Monday with selling US secrets to China, including disclosing the identities of US informants in China.
