Oleg V. Maltsev was born in Ukraine in 1975. In 2014, Maltsev and collaborators established several organizations including the "Memory Institute", with the "Applied Science Association" serving as an umbrella organization. In August 2019, Oleg Maltsev, together with two other Ukrainian scientists, presented a joint monograph on the disclosure of
Serial killings. Oleg Maltsev in this work did the bulk devoted to the description of the psycho-portrait of a serial killer. In 2019, Maltsev was elected chairman of the Odesa Photographic Society. Exponents of the
anti-cult movement in Russia and Ukraine have criticized his association as a cult. == Arrest and Detention ==