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Authorities initially dismissed him as merely an attention seeker, regarding his claims about the assassination of former Swedish Prime Minister Olof Palme as nothing more than a nuisance. However, a significant development occurred years after Engstrom’s death when prosecutors identified him as the prime suspect in Palme’s murder.
The prevailing theory suggests that the assassination was an impulsive act, with Palme crossing paths with Engstrom as he was leaving his job at an insurance firm. Despite the evidence pointing towards Engstrom, the investigation into the case was ultimately closed after 34 years, due to the fact that the primary suspect was deceased.