.. because they got flagged by the security service. People spent a lot of the cold war guessing "is this person a defector or a double agent?", and I guess we

.. because they got flagged by the security service. People spent a lot of the cold war guessing "is this person a defector or a double agent?", and I guess we're going back there. Similar things happen in the US, of course, both for Russians and Chinese people. And let's not forget the Russian tourists: https://en.wikipedia.org/wiki/Poisoning_of_Sergei_and_Yulia_Skripal https://en.wikipedia.org/wiki/Poisoning_of_Sergei_and_Yulia_...