Vasili Komaroff
Vasili Ivanovich Komaroff (born Vasili Terentevich Petrov; Russian: Василий Терентьевич Петров; 1 January 1871 – 18 June 1923) was a Russian serial killer, convicted for the killing of 33 people in Moscow between 1921 and 1923. One of the earliest known serial killers in the Soviet Union, Komaroff was a horse trader who murdered at least 33 customers in the stable next to his home, and was executed on 18 June 1923.