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/
http://www.rosbalt.ru/russia/2017/12/29/1672283.html
https://www.gazeta.ru/business/2017/12/28/11564978.shtml
https://www.gazeta.ru/business/2017/12/29/11572922.shtml
https://www.gazeta.ru/comments/2017/12/29_e_11573336.shtml
https://www.kommersant.ru/doc/3512408
https://www.kommersant.ru/doc/3494224