The best situation is where they cast you and then they trust you.
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...
In the mean time I worship God laying every wrong action under an interdict which I endeavour to respect and I loathe the wicked without doing them any injury.