https://www.inopressa.ru/article/26Nov2018/dailybeast/spy.html
https://www.inopressa.ru/article/26Nov2018/huffingtonpostd/putin.html
https://www.kommersant.ru/doc/3811577
http://www.rosbalt.ru/business/2018/11/26/1748828.html
https://www.kommersant.ru/doc/3804857
Bürger und Experten warnen vor Blutvergießen.
“Natural causes” can’t be ruled out. But those include stress, and there’s no doubt Gen. Korobov of the G(R)U was under a lot of that.
https://www.thedailybeast.com/inside-the-mystery-of-the-dead-russian-spy-chief
https://ru.krymr.com/a/sevastopol-v-novyi-god-bez-byudzheta/29613680.html
https://www.bbc.com/russian/features-46291929
https://www.gazeta.ru/politics/2018/11/23_a_12069265.shtml