Anatoly Yuryovych Onoprienko (Ukrainian: Анатолій Юрійович Онопрієнко; Russian: Анато́лий Ю́рьевич Оноприе́нко, Anatoly Yuryevich Onoprienko; July 25, 1959 – August 27, 2013) was a Soviet Ukrainian serial mass murderer. He was also known by the nicknames The Beast of Ukraine, The Terminator, and Citizen O. After police arrested the 36-year-old former forestry student on April 16, 1996, Onoprienko confessed to killing 52 people.
