The NYT has a much better write up: https://www.nytimes.com/2017/05/20/world/asia/china-cia-spies-espionage.html https://www.nytimes.com/2017/05/20/world/asia/c

The NYT has a much better write up: https://www.nytimes.com/2017/05/20/world/asia/china-cia-spies-espionage.html https://www.nytimes.com/2017/05/20/world/asia/china-cia-spie... Basically, an internal mole leaked the network, which the Chinese then exploited to roll up the agents. It's not like China just stumbled upon it, they were tipped off. While the nature of the platform didn't help, the roll up was caused by a double agent.