https://www.gazeta.ru/business/2017/12/30/11583752.shtml
https://www.vedomosti.ru/politics/articles/2017/12/30/746984-verhovnii-sud-priznal-zakonnim
A KGB manual showed how valuable—and how treacherous—Russian émigrés could be. Did KGB veteran Vladimir Putin learn those lessons?
https://www.thedailybeast.com/the-kgb-playbook-for-turning-russians-worldwide-into-agents
https://politeka.net/reading/561811-natsbezpeka-ukrayini-peremogi-porazki-ta-stsenariyi-na-2018-rik/
https://www.radiosvoboda.org/a/28945900.html
https://echo.msk.ru/programs/beseda/2119648-echo/
https://www.inopressa.ru/article/29Dec2017/dailybeast/kgb.html
https://lenta.ru/brief/2017/12/29/itogigoda/
https://ru.krymr.com/a/28945807.html
http://www.kasparov.ru/material.php?id=5A45DFC1D6F2E