Comment by telesilla

The 2022 documentary 'Navalny' is important and explains how the anti-corruption campaigner got to that terrible place, being poisoned with a Novichok nerve agent and still deciding to go back to Russia.

https://en.wikipedia.org/wiki/Navalny_(film)

https://www.youtube.com/watch?v=ZF_HsKCWEHw (trailer)