- Redl was appointed as the head of counterintelligence at the Evidenzbureau, the Austro-Hungarian military intelligence organization in 1907. However, Redl was already compromised by Russian agents c. 1900, and provided information to the Russian Empire until he was caught by Austro-Hungarian authorities in 1913.
- Years of service as a spymaster with the Communist Party of China predates the foundation of the People's Republic of China (1949)
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