Klaas Bruinsma was a Dutch criminal known for his involvement in organized crime during the 1980s and early 1990s. He was often associated with drug trafficking and was considered one of the most powerful figures in the Dutch underworld. Bruinsma's activities drew significant attention from law enforcement agencies, leading to numerous investigations. Bruinsma's criminal career came to an end when he was murdered in 1991. His death marked a significant shift in the dynamics of organized crime in the Netherlands. Following his assassination, various criminal groups vied for power, leading to increased violence and competition within the criminal landscape of the country.