So... wait until there are more foreigners there.
Or wait until your target is the foreigner.
Or until there are people from several different realms there.
Or until a well-known infiltrator is also in the region.
If you set yourself up as the only logical culprit, then you deserve to be the only one everyone suspects.
And then get randomly caught because there are many CS in the region or someone decided to do police work. What you say doesn't really work in reality.
