Vladimir Putin is a standard-bearer, rather than a pioneer in the history of Soviet and Russian political assassination.
It's all about the dose.
We've heard anti-corruption activist Alexei Navalny was poisoned with something called a 'cholinesterase inhibitor'. Here's what that means.
Russian opposition leader Alexei Navalny, gravely ill from a suspected poisoning, brought a new type of opposition to Russia in tune with popular concerns and aimed at finding common ground.
Who is Alexei Navalny, the Russian opposition activist seriously ill after suspected poisoning.
Results of a nationwide poll showed 78% of voters backed changes to Russia's constitution.
Vladimir Putin is leagues ahead of the rest in opinion polls. But he's more worried about turnout.
Vladimir Putin position in the Kremlin looks more secure than ever, and he has shut down almost all the avenues for a genuine challenge.
Make no mistake: the odds of a palace coup just narrowed slightly.