Illustration depicting forensic expert Sonny Björk demanding a meeting to present unanalyzed evidence in the Knutby murder case, challenging the prosecutor's refusal for retrial.
Illustration depicting forensic expert Sonny Björk demanding a meeting to present unanalyzed evidence in the Knutby murder case, challenging the prosecutor's refusal for retrial.
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Forensic expert demands meeting on Knutby case

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Sweden's chief prosecutor refuses to seek a retrial in the notorious 2004 Knutby murder, despite new details from an investigation. Forensic technician Sonny Björk challenges the decision and demands a meeting to present unanalyzed evidence. Autopsy assistant Bo Ask backs the criticism by noting no blood at a gunshot wound.

On November 27, 2025, Chief Prosecutor Mats Svensson at the Office of the Chancellor of Justice announced there is no reason to take action in the Knutby case. This follows Aftonbladet's 200 sekunder investigation published on November 25, which questions whether babysitter Sara Svensson truly fired the fatal shots at pastor's wife Alexandra Fossmo on January 10, 2004.

Lead prosecutor Elin Blank, who handled the original investigation, has also rejected a retrial, stating it adds no new circumstances. Svensson notes that details like five bullet holes in the sheet were already explained in court – two holes from a folded sheet. A retrial cannot be granted based on re-evaluating old evidence.

Forensic technician Sonny Björk, an expert in wound ballistics, disagrees. "How can they make such a decision before seeing the retrial application?", he tells Aftonbladet. He suspects the chief prosecutor is misinformed and wants a meeting to present a PowerPoint with unused material, including unanalyzed blood images and holes in the sheet's underside, plus incorrect shooting angles in autopsy photos. "The chief prosecutor and prosecutor Elin Blank are wrong in saying there is no new material", Björk adds.

Autopsy technician Bo Ask, who assisted in Alexandra Fossmo's 2004 autopsy, clearly recalls no blood at the hip wound. "There was no blood at the hip, I remember that clearly", he says. This contradicts Blank's claim of bleeding in the autopsy protocol. Forensic medicine professor Anders Eriksson supports: the hip shot showed no external bleeding, indicating Alexandra was already dead, and calls for a thorough review of the investigation.

Lawyer Johan Eriksson plans to apply for a retrial at the Supreme Court on behalf of Sara Svensson, who was sentenced to psychiatric care.

What people are saying

X discussions on the Knutby case reveal polarized views after forensic experts Sonny Björk and Bo Ask challenged the prosecutor's refusal to seek a retrial. Skeptics, including journalists and a prosecutor, argue the new claims lack merit and Sara Svensson remains guilty, criticizing media sympathy. Supporters question the original investigation's competence and call for reviewing unanalyzed evidence.

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