Documentary film director. Produced short films about criminal cases against artist Sasha Skochilenko and journalist Maria Ponomarenko. He earned a living by tutoring in English and maths, and water excursions. The Queen was denied visits from relatives for seven months. On 12 July 2022 he was detained and taken into custody the next day on a case of spreading deliberately false information about the Russian Armed Forces, despite the fact that he had his thyroid gland removed and needed regular medical examinations. At one of the hearings, prosecution witness Mikhail Baranov, who during the investigation said that Korolev's publications made him angry, said that many of the wording in the interrogation report was suggested to him by the investigator, while he himself considers these publications to be a manifestation of freedom of speech. The testimony of Baranov and another witness, Vladimir Shatokhin, coincide verbatim. The defence [identified](https://novayagazeta.eu/articles/2023/02/09/zavedomo-lozhnaia-diskreditatsiia) a number of serious violations in the examination of Korolev's social media page by an operative of the Centre for Countering Extremism. On 20 March 2024, Korolev was sentenced to three years in a general regime colony. On 2 July 2024, the court of appeal increased the sentence to seven years.