started way back... Georgi Markov 1978 suspected poisoning...Alexander Litvinenko suspected poisoning...German Gorbunstov 2012 survived an attempt on his life after being shot four times with a silenced pistol...Alexander Perepilichnyy 2012 suspected poisoning after collapsing while running near his home the inquest is continuing...Boris Berezovsky 2013 found hanged in an apparent suicide... Sergei Skripal 2018 suspected poisoning... Nikolai Glushkov 2018 found dead in London with strangulation marks on his neck... Why in London where obviously they felt safe after fleeing away from Russia????