When considering the statement that we have more than we know, I thought of some events.
First event:
Killing C.I.A. Informants, China Crippled U.S. Spying Operations
May 20, 2017
WASHINGTON — The Chinese government systematically dismantled C.I.A. spying operations in the country starting in 2010, killing or imprisoning more than a dozen sources over two years and crippling intelligence gathering there for years afterward.
Current and former American officials described the intelligence breach as one of the worst in decades. It set off a scramble in Washington’s intelligence and law enforcement agencies to contain the fallout, but investigators were bitterly divided over the cause. Some were convinced that a mole within the C.I.A. had betrayed the United States. Others believed that the Chinese had hacked the covert system the C.I.A. used to communicate with its foreign sources. Years later, that debate remains unresolved.
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https://www.nytimes.com/2017/05/20/world/asia/china-cia-spies-espionage.html
Now, more recently:
China Pulls Credentials From Journalists At 3 Major U.S. Publications
March 17, 2020
Two weeks after the U.S. told a handful of Chinese state media entities to slash their U.S.-based staff, Beijing has retaliated with an order of its own: Certain U.S. nationals working with The New York Times, The Wall Street Journal and The Washington Post have been banned from working in China.
The Chinese foreign ministry announced the order early Wednesday local time, saying that any U.S. citizens who are working for the trio of publications inside China and whose credentials are set to expire by the end of the year must relinquish their credentials within 10 days and halt their reporting within its borders — as well as within the semi-autonomous regions of Hong Kong and Macao.
The ministry also demanded that the three newspapers — as well as Voice of America and Time magazine — submit written details about their China-based staff and operations to Chinese authorities, in what a ministry spokesperson described as "entirely necessary and reciprocal countermeasures."
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https://www.npr.org/2020/03/17/817214390/china-pulls-credentials-from-journalists-at-3-major-u-s-publications
So, assuming that China removed American informants who were loyal to our country means they were exposed somehow. (CF?) From Chinas perspective they feel better because they cleaned house so to speak.
Now, more recently they send home some, "journalists." Assuming they already knew who the loyal Americans were and removed them, why did they send these journalists back here?
I can only presume that since we expelled some Chinese state media entities they were probably caught spying and were sent home. China, for their part sent, back to us, Americans from those three news outlets because they were working for the Chinese as their assets. Spies for spies. The only difference being that the spies China sent back to us was not for repatriotizing, but to face criminal charges I would suspect considering how corrupt those three media sources are.