The 35-year-old woman, identified only as Ksenia P., was detained last Friday at a railway crossing between Poland and Ukraine.
Her name had appeared in international databases under an Interpol Red Notice.
She had been wanted since November 2020 for her involvement in a criminal network operating across multiple countries, including Kazakhstan, Armenia and Thailand.
Human-organ trafficking network
Ksenia P. was convicted for illegally obtaining and selling 56 kidneys between 2017 and 2019, turning the illicit activity into a steady source of income, according to a report by the Reuters news agency.
She was arrested and questioned by Polish authorities but denied the charges. A Polish court has ordered her temporary detention pending extradition to Kazakhstan.
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Source: Reuters/TVN24/IAR/PAP