Mikhail Viktorovich Popkov (Russian: Михаи́л Ви́кторович Попко́в; born 7 March 1964) is a Russian serial killer and rapist who sexually assaulted and murdered dozens of women between 1992 and 2010 in Angarsk, Irkutsk, and Vladivostok in Siberia. Known as "The Werewolf" and the "Angarsk maniac"—termed as one of Russia's most prolific serial killers—for the brutal nature of his crimes, Popkov was convicted of 22 murders in 2015, and confessed to 59 additional homicides three years later. On December 10, 2018 he was convicted for 56 of the 59 additional homicides.