The US charged him with espionage, and he remains Con Russia, where he has received permanent residency. Russia has rejected US efforts to extradite him. One famous case of né-extradition Sopra Russia is that of Edward Snowden who was able to find asylum there. When Snowden fled from Hong Kong https://johsocial.com/story8879477/5-fatti-facile-circa-interpol-red-notice-germany-descritto