> 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…
>Wouldn't the Greek airline (and Greek exit immigration control) check for a valid Russian visa for a Czech passport? There's no exit stamp for EU citizens leaving the EU. Also nobody cares whether you actually have a valid visa for the place you're going. It's not their responsibility. Maybe somewhere in some paperwork they make you say that you do and nominally they're supposed to check it, but I'm not sure anyone…
Of course airlines do not care about documents allowing you entry to the departure point.