a "confluence and combination of events." In January 2018, a former CIA officer named Jerry Chun Shing Lee was arrested and would eventually plead guilty on suspicion of helping dismantle the network while the Foreign Policy article ascribed, notwithstanding the arrest, the failure to the ability of the PRC intelligence agencies to penetrate the CIA's communication system. Sun Bo, a general manager of the China Shipbuilding Industry Corporation, was investigated for corruption and supplying classified information to the CIA, including technical specifications of the Chinese aircraft carrier Liaoning, according to Asia Times. Sun Bo was sentenced to 12 years in prison on July 4, 2019. A December 2020 article in Foreign Policy suggested that decades of corruption inside of the Chinese Communist Party (CCP) had created vulnerabilities exploited by outside intelligence agencies, particularly the CIA. CCP purges under the guise of anti-corruption were at least partially motivated by counterintelligence concerns. 2021 In October 2021, The New York Times citing a leaked CIA cable, reported that the CIA had admitted to have lost a "troubling number of informants" recruited from countries including China in recent years, with informants being killed, captured or compromised. The leaked cable comes amid China's recent efforts in hunting down CIA sources to turn them into double agents. The memo also mentions a "breach of the classified communications system" that led to spy networks in China being caught and that some officials believe that treasonous US intelligence officers may be the culprits responsible for the arrests and execution of CIA spies. See also Chinese espionage in the United States Hugh Francis Redmond References CIA activities in Asia Politics of China History of the foreign relations of China China–United States relations China