Food fraud isn’t new: ancient laws dictated that sellers of fake seed corn or impure spices be mutilated or burned at the stake. But regulators have recently started to uncover just how extensive the problem is—from extra-virgin olive oil spiked with soybean oil, to hamburgers made with horse meat, to baby formula fortified with melamine. All of this threatens consumer health, and possibly funds even more- nefarious crimes.

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