To say that you now trust the Russian military command and control system because some Russian general told you from the bottom of his heart that's the case strikes me as most unrealistic.
The betrayal of trust carries a heavy taboo.
Let's say a Soviet exchange student back in the '70s would go back and tell...
Deciding whether to trust or credit a person is always an uncertain task.
Espionage for the most part involves finding a person who knows something...
Trust yourself then you will know how to live.