LONDON, ENGLAND - JANUARY 27: Marina Litvinenko, the widow of former KGB agent Alexander Litvinenko leaves the High Court after attending the first day of the inquiry into her husbands death on January 27, 2015 in London, England. Alexander Litvinenko, a vocal critic of Russian President Vladimir Putin, was poisoned with the radioactive isotope polonium-210 while drinking tea at a hotel in London in 2006. (Photo by Carl Court/Getty Images)
