http://www.kasparov.ru/material.php?id=5BBDE57B5BEF5
https://republic.ru/posts/92252
Рассказ судьи о приговорах, коллегах и тайнах российского правосудия
https://lenta.ru/articles/2018/10/10/femida/
https://www.gazeta.ru/army/2018/10/10/12015415.shtml
The Russian intelligence services have always taken good care of their in-house doctors. Some even have experience with toxins. When suspicion fell on Oleg Penkovsky, the biggest double agent in the GRU military spy service, goons from the rival KGB scattered skin-irritating powder around his Moscow
https://www.thetimes.co.uk/article/a-purge-is-on-the-way-for-putin-s-hapless-spies-nrbz0xf2p
http://www.kasparov.ru/material.php?id=5BBC8CAE0EE0C
http://www.kasparov.ru/material.php?id=5BBBB8B919217
https://ru.krymr.com/a/proyekt-odnogo-rycarya-aleksey-chirniy/29523391.html