The Sock Killer

The Sock Killer: The True Story of Ondrej Rigo, Slovakia's Most Prolific Serial Killer

Between 1990 and 1992, Ondrej Rigo murdered nine people across three countries in a killing spree that exploited the chaos following the collapse of communism in Eastern Europe. This comprehensive account examines how a career burglar transformed into an international serial killer whose necrophilic compulsions drove him to target victims from a fourteen-year-old boy to an eighty-eight-year-old woman. The investigation that finally captured Rigo marked a watershed moment in Slovak forensic science, as DNA evidence from cigarette butts he carelessly left at crime scenes became the key to connecting murders across Munich, Amsterdam, and Bratislava. Through meticulous research and psychological analysis, this book explores how Rigo maintained a mask of normality as a gasman and hotel worker while committing terrible crimes, how the unique historical window of the early 1990s enabled his predation, and how forensic scientists built an unassailable case despite his absolute refusal to confess. The story illuminates the nature of evil, the evolution of criminal investigation, and the profound impact serial murder has on communities, offering essential insights into one of Central Europe's most notorious criminal cases.