The Russian intelligence services have always taken good care of their in-house doctors. Some even have experience with toxins. When suspicion fell on Oleg Penkovsky, the biggest double agent in the GRU military spy service, goons from the rival KGB scattered skin-irritating powder around his Moscow
https://www.thetimes.co.uk/article/a-purge-is-on-the-way-for-putin-s-hapless-spies-nrbz0xf2p
https://www.eurointegration.com.ua/articles/2018/10/9/7087959/
https://ru.krymr.com/a/iz-rossii-otmyt-mundir-ot-korichnevyh-pyaten/29532513.html
http://www.ng.ru/politics/2018-10-09/1_7328_zorkin.html
https://www.rbc.ru/newspaper/2018/10/09/5bbb0d539a79477d621cfe54
https://www.kommersant.ru/doc/3764947
http://www.ng.ru/economics/2018-10-09/4_7328_bank.html
Минфин предложил смягчить валютный контроль для компаний, попавших под санкции
https://www.gazeta.ru/business/2018/10/08/12013183.shtml