The attacks have varied, from underwear tainted with the nerve agent Novichok or polonium-laced tea to the more straightforward assassinations by a bullet but, throughout Vladimir Putin’s 23-year rule, Kremlin critics, journalists and defected spies have been killed and targeted for opposing him.
The crash of Yevgeny Prigozhin’s private jet, killing the warlord who spearheaded a mutiny against Russia’s top army brass two months earlier, has added a new method to
