Sofia’s disclosure of Lundström’s treatment information to the police

Sofia Zetterlund’s disclosure of Lundström’s treatment information to the police is a turning point in the investigation of the murdered boys: details that had belonged to a confidential clinical relationship become leads for Detective Superintendent Jeanette Kihlberg. Sofia does not offer a complete explanation of the crimes, but she supplies two specific lines of inquiry—the account of Anders Wikström and the recurring references to castration and Xylocain adrenalin—that make the case against Karl Lundström more substantial.

Decision to approach the police

Sofia’s decision follows her assessment that Karl Lundström is dangerous beyond the immediate setting of treatment. She considers his capacity for manipulation and the possibility that he might eventually be released from a secure psychiatric unit, whereupon other people could be at risk. In her judgment, his mental illness does not remove his responsibility for what he has done. Faced with that anticipated danger, she resolves to call Jeanette and sets aside what she calls legal niceties. The disclosure is therefore presented not as casual gossip or an accidental breach, but as a deliberate choice made against the obligations and expectations attached to their professional relationship.

Jeanette is surprised when Sofia asks to arrange a meeting to tell her what she knows about Karl. Asked why she has changed her mind, Sofia initially cannot give a simple explanation. Her first concern is investigative: she asks whether Lars Mikkelsen has followed up Lundström’s story about Anders Wikström and video recordings. Jeanette says the matter is being investigated, but reports that Mikkelsen suspects Anders may be a product of Lundström’s imagination and that investigators may find nothing. The exchange preserves an important uncertainty. Sofia is passing on material that may point toward a wider crime, but the existence of the person in Lundström’s account has not been established by the information available in this conversation.

Clinical details become investigative leads

In a later discussion, Sofia identifies two features of her sessions with Karl that had struck her as unusual. He repeatedly returned to castration. On one occasion he asked whether she knew how to castrate a reindeer and described doing so by biting; on another, he said that all men ought to be castrated at birth. Sofia does not claim that these comments prove he committed the murders. Their importance comes from Jeanette’s knowledge of the crime scenes: each of the three murdered boys had been mutilated. The parallel makes the comments relevant to the investigation, even though it does not by itself establish who carried out the killings.

Jeanette initially responds with reproach because Sofia had not disclosed this information in their first conversation. The reproach then gives way to melancholy, and she asks whether Sofia has anything else useful. Sofia supplies the name of Xylocain adrenalin, explaining that Karl had said Anders Wikström usually injected his victims with it. She does not know what effect the substance has. Jeanette recognizes it as an anaesthetic rather than a drug taken to become intoxicated, and identifies it as the same anaesthetic found in the dead boys. She adds that Annette Lundström is a dentist, a detail that gives the substance a practical connection to Karl’s household. That connection is incriminating in Jeanette’s view, but the scene stops short of presenting it as proof that Annette participated in the crimes.

Confidentiality and the limits of the disclosure

The conversation is shaped by a tension neither woman can simply resolve. Sofia has decided that the perceived danger justifies revealing information learned in treatment; at the same time, Jeanette tells her that what they discuss must remain between them. The assurance offers a boundary around their conversation even as its purpose is to move clinical knowledge into a police investigation. The scene thus makes confidentiality more than a background rule: it becomes part of the practical and ethical pressure surrounding the exchange.

The disclosures also have different evidentiary weights. Karl’s statements about castration correspond to a feature of the boys’ injuries, while the Xylocain account corresponds to an anaesthetic found in their bodies and to Annette’s profession. These convergences strengthen suspicion and give investigators reasons to pursue the lead, but they do not independently settle the questions of identity, involvement, or motive. Likewise, Karl’s story about Anders and the recordings remains disputed: Sofia presses the police to follow it up, while Lars Mikkelsen doubts that Anders exists outside Lundström’s imagination. The scene’s force lies in this movement from private information to testable leads, with uncertainty still intact.

Consequences for the case

Sofia’s intervention helps Jeanette connect information from treatment to patterns in the murder investigation. By the time they speak, three boys have been found, and the cases have already raised questions about repeated violence and mutilation. The anaesthetic offers a further point of comparison: investigators had identified it in the bodies, and Sofia independently reports that Karl associated it with Anders Wikström’s victims. The new information does not close the case, but it gives the police a more specific reason to examine the relationship among Karl’s account, the drug, and the murders.

The disclosure also changes the position of the therapist within the investigation. Sofia is no longer merely someone who has assessed Karl; she becomes a witness to statements that Jeanette can compare with forensic findings. Her delay matters to both women: Jeanette says the castration information would have strengthened her suspicions earlier, while Sofia’s present decision reflects a judgment that continued silence could expose others to risk. The episode therefore turns on a costly conversion of knowledge into action. It advances the investigation without resolving the evidence’s ambiguities, and leaves the women balancing the public demand to prevent further harm against the private trust on which treatment depends.