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Sergei Ryakhovsky: The 'Balashikha Ripper'

Jun 16
3 min read

Updated: Jun 25

Sergei Ryakhovsky, known as the 'Balashikha Ripper' and 'The Hippopotamus', was one of the most disturbing serial killers of the late Soviet and early post-Soviet period. A towering, heavily built man, he murdered nineteen people in and around Moscow between 1988 and 1993, attacking victims of a wide range of ages in wooded areas and other isolated spots. Out of respect for the victims, this account is deliberately restrained and avoids graphic detail.

His case unfolded against the backdrop of the Soviet collapse, a period of upheaval in which such crimes were both more likely to occur and harder to investigate.

Sergei Ryakhovsky: The 'Balashikha Ripper'

Key Facts at a Glance

Full name: Sergei Vasilyevich Ryakhovsky
Born: 29 December 1962, Balashikha, USSR
Known as: The Balashikha Ripper; The Hippopotamus
Victims: 19 (1988–1993), Moscow region
Outcome: Death sentence commuted to life; died in prison in 2005

An imposing figure

Born in 1962 in Balashikha, a town on the edge of Moscow, Ryakhovsky grew to an extraordinary size — around six feet six inches tall and very heavily built — which earned him his press nickname and made him physically overpowering. He worked ordinary jobs, but beneath the surface lay a capacity for extreme and escalating violence.

Five years of murder

From 1988 to 1993, Ryakhovsky killed at least nineteen people in the Moscow region. His victims spanned a wide range — men and women of varying ages, including some who were elderly and some who were very young — and he often attacked them in parks, forests and other secluded areas. The brutality of the crimes and the vulnerability of those he targeted made the case deeply shocking.

A pattern emerges

As bodies were discovered around Moscow over several years, investigators came to recognise that a single, exceptionally dangerous offender was responsible. The killings shared disturbing characteristics that pointed to one hand, and the search for the so-called Balashikha Ripper became a major priority for Russian police during a chaotic period for the country.

Capture

Ryakhovsky's capture came through careful police work. During a search of an area connected to the crimes, investigators found a shack rigged in a way that suggested preparation for another murder, and they set an ambush. When Ryakhovsky arrived in April 1993, he was arrested without resistance — later admitting that the sight of the officers' weapons had frozen him with fear, despite his great strength.

Trial and death

Ryakhovsky was convicted of nineteen murders and initially sentenced to death. As Russia moved away from carrying out executions, his sentence was commuted to life imprisonment. He died of tuberculosis in a prison colony in 2007. His unsettling courtroom remarks and the sheer scale of his crimes cemented his place among Russia's most notorious killers.

The Balashikha Ripper case remains one of the grimmest in Russian criminal history. Beneath its horror are nineteen people, of many ages and walks of life, whose deaths reflected both one man's brutality and the disorder of the era in which he killed. Remembering them, rather than dwelling on the killer, is the most fitting way to confront such a case.

Frequently Asked Questions

How many people did Sergei Ryakhovsky kill?

He was convicted of murdering 19 people in the Moscow region between 1988 and 1993, and confessed to more.

Why was he called 'The Hippopotamus'?

The Russian press used the nickname for his enormous size — he stood about 6 foot 6 and was heavily built.

What happened to Sergei Ryakhovsky?

He was sentenced to death, later commuted to life imprisonment, and died of tuberculosis in prison in 2007.

Investigation and Fate

Ryakhovsky's killings, carried out in wooded areas and other isolated spots around Moscow between 1988 and 1993, coincided with the upheaval of the Soviet collapse — a period when overstretched police struggled to link crimes across regions. His unusually large, distinctive build eventually featured in witness accounts, and he was arrested in 1993 and charged with a string of murders. In 1995 a court convicted him of nineteen killings and sentenced him to death; as Russia moved toward a moratorium on executions, the sentence was commuted to life imprisonment. He died behind bars in 2005 of complications from tuberculosis, remembered as one of the most prolific killers of the late-Soviet era.