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Colombian Murder Suspect Arrested in London Ahead of Extradition Hearing

UK extradition proceedings follow an Interpol alert requested by Colombia over alleged thallium‑laced chocolates.

Overview

  • Zulma Guzman Castro, 54, was detained by the National Crime Agency’s National Extradition Unit in London’s W10 and is due at Westminster Magistrates’ Court this afternoon.
  • Colombian authorities seek her return on murder and attempted‑murder charges tied to the April 3, 2025 deaths of teenagers Ines de Bedout and Emilia Forero in Bogotá.
  • Prosecutors allege the girls ate chocolate raspberries injected with thallium, a highly toxic metal that is colorless, odorless, and tasteless.
  • Castro was rescued from the River Thames on December 16, held under the Mental Health Act, discharged by doctors, and then arrested at the hospital before being processed for court.
  • An Interpol Red Notice was issued as investigators traced travel through Brazil and Spain to the UK; Colombian reports cite a possible motive linked to a past relationship, which she denies, and say a prior suspected thallium case in the family is also being examined.