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Jun 23, 2026

Mexico seizes suspicious Keytruda in raid to dismantle counterfeit medication ring - ICIJ

COUNTERFEITS

Mexico seizes suspicious Keytruda in raid to dismantle counterfeit medication ring

After ICIJ’s Cancer Calculus investigation exposed a market for falsified Keytruda, two sources confirmed Friday that Mexican authorities found vials labeled as the anti-cancer drug in the raid.

By Image: Mexico Security Ministry June 4, 2026
Mexican authorities arrested two individuals in March in an operation against a counterfeit ring in the suburbs of Mexico City.

Federal authorities in Mexico seized vials labeled as Keytruda, the world’s bestselling drug, during an operation to dismantle a counterfeit ring in a suburb outside of the capital city, sources with direct knowledge of the raid told the International Consortium of Investigative Journalists Friday. This is the second operation that has led to arrests where vials labeled as the cancer medication were seized.

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