In prison, Dyatlov continued to suffer from the terrible radiation burns he had sustained as he wandered through the wreckage of Unit Four on the night of the accident and in October 1990 was also granted early release due to his declining health. From his flat in Troieshchyna, the increasingly frail engineer continued a campaign to reveal the truth about the design faults of the reactor and the way the accident had been whitewashed by Academician Legasov and the Soviet delegation to the IAEA.
