“List of Journalists killed in Russia”
https://en.wikipedia.org/wiki/List_of_journalists_killed_in_Russia
“Russian diplomats keep dying unexpectedly”
“Nikita Kamayev: Second disgraced boss of Russia’s anti-dope sport agency dies suddenly”
“Assassination of Boris Nemtsov”
https://en.wikipedia.org/wiki/Assassination_of_Boris_Nemtsov
“The late journalist Anna Politkovskaya was murdered in the lift of her apartment block in 2006. In this extract from Putin’s Russia, she delves into Russian society to find tales of corruption leaking down from the Kremlin, and her country’s return to totalitarianism”