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Andrei Chikatilo, one of the Soviet Union's most prolific serial killers, was arrested in Novocherkassk.

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Andrei Chikatilo
Soviet serial killer (1936–1994)
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…Source: Wikipedia (CC BY-SA)
Serial killer
Murderer of multiple people
A serial killer is an individual who murders three or more people, with the killings taking place over a period of more than one month in three or more separate events. Their psychological gratification is the motivation for the killings, and many serial murders involve sexual…Source: Wikipedia (CC BY-SA)
Novocherkassk
City in Rostov Oblast, Russia
Novocherkassk is a city in Rostov Oblast, Russia, located near the confluence of the Tuzlov and Aksay Rivers, the latter a distributary of the Don River. Novocherkassk is best known as the cultural capital of the Cossacks, and as the official capital of the Don Cossacks.…Source: Wikipedia (CC BY-SA)