Forty years after the assassination of Olof Palme, the case remains one of the world’s most infamous unsolved crimes. The investigation file alone stretches across 250 meters of shelving—an estimated seven years of non-stop reading for a single person. Now, Amsterdam-based AI company ML6 is helping Swedish journalists Anton Berg and Martin Johnson tackle this ultimate cold case using artificial intelligence. Known for their true crime podcast Spår, the duo partnered with ML6 to build “PalmeChat,” an AI-powered tool designed to rapidly search, structure, and analyze the vast case archive—without filtering out crucial details.
Unlike typical AI use cases that prioritize concise summaries, this project demanded complete transparency. The journalists wanted access to all available information, including the AI’s reasoning and underlying sources. The result is a system that can reconstruct highly detailed timelines—such as the final 30 seconds of Palme’s life—while clearly distinguishing between established facts and prevailing theories. Although PalmeChat does not claim to solve the murder, it demonstrates how advanced AI can cut through decades of noise, surface meaningful insights, and potentially help reopen one of history’s most debated investigations.
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(Translation, original source: Dutch)