Extra: China Is Spying On America More And More. Here's Why It's Hard To Stop It.

China's spying efforts within our borders have been raising alarms for years. 

Now there are growing number of reports of Chinese citizens posing as tourists and collecting data near and around American military bases. 

The Federal Bureau of Investigation and Department of Defense have reportedly tracked over 100 such incidents of this in recent years, raising red flags that Beijing is using non-traditional means to gather intelligence on U.S. soil. 

Former CIA Chief of Station Dan Hoffman joined the Rundown's Chris Foster to discuss what he calls the "the new Cold War" with China, and what the motives and effectiveness of these cloak-and-dagger operations. 

Hoffman also explained how America counters these spies and what gathers information in countries like Russia and China.

We made edits for time and thought you might like to hear our entire conversation with former CIA Station Chief Dan Hoffman. On today's FOX News Rundown Extra, you'll hear our entire conversation that doesn't just include more of his take on America's tensions with China, but also a never before aired portion that includes why Hoffman is now devoting so much of his life to fighting cancer. 

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