ProfileDetained in a penal colony in Mordovia, the 70-year-old historian, who specializes in the Stalin regime's crimes, is one of Russia's oldest political prisoners. Refusing to accept historical falsifications that the Kremlin aims to impose on public opinion. The Russian authorities did everything they could to break him, but, at 70 years old, Yuri Dmitriev has not given in. Imprisoned since 2016, he is one of the oldest detainees in Russia's prisons. For 30 years, Dmitriev worked to locate mass graves that prove the Soviet regime's Stalin-era crimes, horrors that the Kremlin is determined to cover up at all costs.