[1] https://www.bbc.com/news/world-europe-53091298
[2] https://en.wikipedia.org/wiki/Maksym_Shapoval
[3] https://en.wikipedia.org/wiki/Poisoning_of_Alexander_Litvine...
You might also be surprised to learn that Andrei Tarkovsky, director of the film Stalker (1979), didn't personally learn C++ and program S.T.A.L.K.E.R. (2007). Neither did Arkady and Boris Strugatsky who wrote the novel Roadside Picnic (1971) that all of these works, including Metro, are inspired by.
The Russian omnipresent assassination machine is as much a myth as its invincible military.
That said, the West keeps playing as if there's no hostile power trying to infiltrate everything it can, 30-50yo Russian males with unexplained biography gaps or no background checks at all still allowed to travel freely, establish businesses with sketchy financials and so on.
They got a prostitute the night before their botched Salisbury trip, rather than shag each other. The whole gay bit came from their Russian TV ruse appearance.
but plenty of not-men out there doing SVR work. Anna Chapman comes to mind, or the little lady who was making friends with the NRA and all of those GOP politicians...
https://en.wikipedia.org/wiki/Anna_Chapman
I'll grant you illegals in general, those are typically married couples.
And yes, I agree that Chinese nationals are to be treated with way more suspicion as well. Anyone with relatives in China can be pushed to do whatever CCP needs. Also everyone with official links to the CCP should be under 24/7 monitoring, something something "covert police stations" and Confucius Institute.
If I was Russian I'd never go above the 1st floor of any building, it would be ingrained in my culture.
Sometimes I think authoritarianism in the US can get pretty bad but then I read what goes on over there and I realize it's not even close.