The document is from the Cold War. But the material it teaches is still being used today by Vladimir Putin’s clandestine cadres.
https://www.thedailybeast.com/the-kgb-papers-how-putin-learned-his-spycraft-part-1
https://www.inopressa.ru/article/27Dec2017/dailybeast/kgb.html
https://www.nytimes.com/2017/12/26/world/europe/russia-putin-navalny-election.html
https://www.kommersant.ru/doc/3509190
https://ru.krymr.com/a/28941341.html
https://ru.krymr.com/a/28941971.html
https://www.gazeta.ru/politics/2017/12/27_a_11551004.shtml
http://www.kasparov.ru/material.php?id=5A4345BAAAA47
https://newtimes.ru/articles/detail/137896