Citizen X is a made-for-TV film, released in 1995, which covers the investigation of the Soviet serial killer

Serial killer

A serial killer, as typically defined, is an individual who has murdered three or more people over a period of more than a month, with down time between the murders, and whose motivation for killing is usually based on psychological gratification...

 Andrei Chikatilo

Andrei Chikatilo

Andrei Romanovich Chikatilo was a Ukrainian-born Soviet serial killer, nicknamed the Butcher of Rostov, The Red Ripper or The Rostov Ripper who murdered a minimum of 52 women and children between 1978 and 1990...

, who was convicted in 1992 of killing 53 women and children between 1978 and 1990, and the efforts of detectives in the Soviet Union

Soviet Union

The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 to capture him.
The film tells the story of the seven-year hunt by forensic specialist Viktor Burakov for the person who mutilated and murdered over 50 children and young women.