^ abYears of service as a spymaster with the Chinese Communist Party predates the foundation of the People's Republic of China (1949)
^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.