This paper examines the life and crimes of Andrei Chikatilo, one of the most notorious serial killers of the 20th century. Born in 1936 in the Soviet Union, Chikatilo committed a series of horrific murders
From Wikipedia
Andrei Romanovich Chikatilo was a Ukrainian-born Soviet serial killer nicknamed "the Butcher of Rostov", "the Rostov Ripper", and "the Red Ripper" who sexually assaulted, murdered, and mutilated at least fifty-two women and children between 1978 and 1990 in the Russian SFSR, the Ukrainian SSR, and the Uzbek SSR.