Mikhail Khodorkovsky became an unlikely martyr for anti-Putin movement

Mikhail Khordorkovsky was a billionaire who owned the oil company Yukos. He became the arch nemesis of Vladimir Putin, and went from being the richest man in Russia to serving 10 years in a Siberian prison for fraud and tax evasion. He lives in exile in London now. His story is now being told in a documentary called “Citizen K.”