Clark Olofsson
Swedish criminal behind Stockholm syndrome (1947–2025)

Clark Oderth Olofsson (later known as Daniel Demuynck; 1 February 1947 – 24 June 2025) was a Swedish criminal. He received sentences for attempted murder, assault, robbery and dealing narcotics and spent more than half of his life in prison. Olofsson was often referred to as Sweden's first "celebrity gangster".
Olofsson faced a tumultuous childhood marked by familial challenges. Growing up amidst extensive alcohol problems, he endured the departure of his father and his mother's subsequent illness, which led to the placement of Olofsson and his two younger sisters in foster care. Determined to escape an unhappy foster family, Olofsson enrolled in a sailors' school then forged his mother's signature at the age of 15 to be able to embark on the ship Ballade, he sailed around the world, gaining a unique perspective between Japan and South America. Returning home at 15, Olofsson reunited with his mother, who had regained stability. Despite earlier adversities, the family settled in Gothenburg, where Olofsson's journey took a criminal turn. Convicted for various offenses in the 1960s, including burglary and assault, Olofsson gained notoriety for his involvement in the killing of a police officer during a robbery. Multiple prison escapes characterized his criminal career, with notable incidents like the Norrmalmstorg robbery, giving rise to the term "Stockholm syndrome".
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This entry incorporates text from “Clark Olofsson” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.