No, this one actually died of natural causes, for once (in 2013.) But there is a long list of those who perished in 2016. http://russiancouncil.ru/en/news/yuri-dubinin-dies/

here is the partial list (written in March 2017 and not updated since…)

https://medium.com/mosaic2/comey-to-cross-examine-witnesses-61f97d211fac