China killed, jailed up to 20 CIA spies in 2010-12: Report
China either killed or imprisoned 18 to 20 Central Intelligence Agency spies from 2010 to 2012, dismantling US spying operations in a massive intelligence breach, the New York Times has reported. Intelligence officials are investigating whether there was a spy within the CIA who betrayed the sources or if the Chinese hacked the CIA's covert communications system, the newspaper added.