Lyudmila Pavlichenko
Lyudmila Mikhailovna Pavlichenko (; 12 July 191610 October 1974) was a Soviet sniper in the Red Army during World War II, credited with 309 kills. She is regarded as one of the top military snipers of all time and the most successful female sniper in history.
Alexander Spesivtsev
Spesivtsev, with the assistance of his mother Lyudmila, targeted street children and young women across Novokuznetsk by luring them into their apartment, where they would be tortured and killed, and sometimes cannibalized. Despite only being convicted for 4 murders, Spesivtsev confessed to 19 murders that he was accused of by police, and based on evidence is believed to have committed over 80 killings as early as 1991.