Fyodor Kozlov
Fyodor Nikolayevich Kozlov (Russian: Федор Николаевич Козлов; 9 April 1959 – 1 September 1990), known as The Iskitim Maniac (Russian: Искитимский маньяк), was a Soviet serial killer and rapist who committed a series of murders in three oblasts from 1976 to 1989. Convicted and sentenced to death for these crimes, he hanged himself in prison before the verdict could be carried out.