The release from prison of Mikhail Khodorkovsky and two members of the feminist punk group Pussy Riot drew worldwide attention to complaints about political prisoners in Russia. Although none of the three were convicted of political crimes, the taint of political vengeance hung strongly on all their cases.
US Secretary of State John Kerry welcomed the Friday release of Russia's most famous prisoner and Kremlin critic Mikhail Khodorkovsky , while expressing concerns over the country's selective prosecution.