> In both cases, she used sophisticated tradecraft that sought to leave no trace in databases accessible to European authorities. For instance, she booked her trips and bought her plane tickets using her Czech passport, registering only that nationality with the Greek airline. But upon crossing the Russian border, Šapošnikova used her secret Russian passport, thus bypassing the need to obtain a Russian visa issued to…
I think what this means is that she used her Czech passport when leaving a country, and used the Russian passport when entering Russia (Thus leaving no trace of her entering the EU as a Russian national). That's far from "sophisticated tradecaft" though. For instance a large % of Argentinians have double nationality (Myself included) and we do this all the time when travelling to Europe.
Computer systems of face recognition deployed everywhere would want to say something about that bright plan