Double spy, 32-year-old Markus R. stole a strictly guarded document with the names of 3.500 agents of the German intelligence service BND, writes Bild.
The German daily said it was not certain whether the agent had sold the list to another intelligence service, Russian or Chinese.
Markus R. was arrested in July 2014. He is allegedly accused of spying on the German intelligence service between 2012 and 2014 and selling 218 documents to the Americans for 25.000 euros.
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