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://www.inopressa.ru/article/29Dec2017/dailybeast/kgb.html
http://expert.ru/2017/12/29/neftyanuyu-iglu-smenit-nalogovyij-press/
https://www.kommersant.ru/doc/3512389
https://ru.krymr.com/a/28942415.html
https://www.kommersant.ru/doc/3509190
https://ru.krymr.com/a/28942299.html
https://www.kommersant.ru/doc/3509130
http://www.ng.ru/economics/2017-12-26/4_7144_medic.html
http://www.mk.ru/economics/2017/12/26/bitkoin-i-preemnik-putina-ekonomicheskie-intrigi-goda.html