JERRY SHUN CHING LEE BAD BOY

• 2010: Information gathered by the US from sources deep inside the Chinese government bureaucracy start to dry up
• 2011: Informants begin to disappear. It is not clear whether the CIA has been hacked or whether a mole has helped the Chinese to identify agents
• 2012: FBI begins investigation
• May 2014: Five Chinese army officers are charged with stealing trade secrets and internal documents from US companies. Later that same month, China says it has been a main target for US spies
• 2015: CIA withdraws staff from the US embassy in Beijing, fearing data stolen from government computers could expose its agents
• April 2017: Beijing offers hefty cash rewards for information on foreign spies
• May 2017: Four former CIA officials tell the New York Times that up to 20 CIA informants were killed or imprisoned by the Chinese between 2010 and 2012
• June 2017: Former US diplomatic officer Kevin Mallory is arrested and charged with giving top-secret documents to a Chinese agent
• January 2018: Former CIA officer Jerry Chun Shing Lee is arrested