‘We’re sure the Kremlin knows exactly where he is,’ says Navalny aide

Christiane Amanpour speaks with Maria Pevchikh, aide to jailed Russian opposition leader Alexei Navalny, who has vanished in Russia’s prison system.Christiane Amanpour speaks with Maria Pevchikh, aide to jailed Russian opposition leader Alexei Navalny, who has vanished in Russia’s prison system.