Andrei Chikatilo killed at least 52 people (mostly children) in several areas but started killing in Shakhty.  He killed 14-year-old Lyubov Volobuyeva "in a sorghum field near Krasnodar Airport on 25 July 1982".  The precise location needs to be found but the site here is close to Krasnodar Airport in a field. 

Andrei Chikatilo

Andrei Romanovich Chikatilo (Russian: Андрей Романович Чикатило, Ukrainian: Андрі́й Рома́нович Чикати́ло; 16 October 1936 – 14 February 1994) was a Soviet serial killer, nicknamed The Butcher of Rostov, The Red Ripper, and The Rostov Ripper, who committed the murder of a minimum of 52 women and children between 1978 and 1990 in the Russian SFSR. Chikatilo confessed to a total of 56 murders and was tried for 53 of these killings in April 1992. He was convicted and sentenced to death for 52 of these murders in October 1992 and subsequently executed in February 1994.

• http://en.wikipedia.org/wiki/Andrei Chikatilo