The woman is accused of allegedly poisoning two minors with thallium through raspberries sent to their home.
News Colombia.
Authorities confirmed the arrest of Zulma Guzman in the United Kingdom, a woman accused of allegedly poisoning with thallium two minors who were seriously affected after consuming decorated raspberries that arrived at her home through a home delivery service in Bogotá. The case has generated commotion due to the type of alleged attack and the use of a highly toxic substance.
See: New details revealed by the Prosecutor’s Office shake the Zulma case: deadly raspberries that ended up in the hands of two girls
According to the investigation, Guzmán would have been the lover of the girls’ father, an element that is now considered key by the authorities to establish the possible motive for the incident. Investigators are analyzing toxicology tests, courier records and the shipping route to determine how delivery of the contaminated product would have been planned.
🔹 The activation of mechanisms and tools of #InternationalCooperationthrough @INTERPOL_HQ Colombia expanded the scope of the criminal prosecution and made it possible to locate Zulma Guzmán.
#Security pic.twitter.com/lcst2NMbA2— Directorate of Criminal Investigation and INTERPOL (@DIJINPolicia) December 29, 2025
In parallel, it was learned that Zulma Guzmán was discharged from a London hospital after being found in the Thames River under strange circumstances, an episode that is also the subject of investigation. After his recovery, he was captured in British territory, while the case remains under judicial investigation.
What the Prosecutor’s Office said after the arrest of Zulma Guzmán
The Attorney General’s Office reported on January 6, 2026 that the United Kingdom gave the green light to begin the extradition process for Zulma Guzmán Castro, after the woman received a medical discharge. According to the prosecuting body, although the process is already underway, specific dates for his transfer to Colombia have not yet been defined.
According to the official statement, the capture was carried out in compliance with an Interpol red notice issued at the request of the Colombian authorities on December 18. The procedure was carried out by the National Crime Agency and Interpol Colombia was immediately notified once Guzmán Castro left the hospital where he remained under medical observation in British territory.
The Prosecutor’s Office indicated that Guzmán Castro must appear before the Westminster Court, where he will be formally informed about the start of the extradition process. The woman is alleged to be responsible for the death of two minors and causing serious injuries to two other people through thallium poisoning. The United Kingdom confirmed that it received the extradition request and that it will process it in accordance with its domestic legislation, after meeting all the legal and diplomatic requirements.
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