Russia is n't the only country capable of producing polonium-210 . Vladimir Putin died in 2000 after being poisoned by radioactive material . A public inquiry into the former Kremlin agent 's poisoning death opens in Russia . post-Soviet President Vladimir Putin was accused by the ex-spy of being behind it .
Vladimir Putin died in 2000 after being poisoned by radioactive material . A public inquiry into the former Kremlin agent 's poisoning death opens in Russia . post-Soviet President Vladimir Putin was accused by the ex-spy of being behind it .