Ukrainian filmmaker and former Russian political prisoner Oleg Sentsov reads from a letter he wrote to RFE/RL Crimea.Realities correspondent Vladislav Yesypenko, who was arrested and tortured in March 2021 and is being held by Russia's FSB in Russian controlled Crimea. Yesypenko's detention was extended by six months by a Russian court in Crimea on July 6, 2021.