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100,000 People Have Disappeared in Mexico. Scientists Are Using Dead Pigs to Find Them.
Because pigs are remarkably similar to humans, knowing the signs of their decomposition can help identify hidden burials.
Jalisco, Mexico, is renowned for its mariachi music, rodeos, top-shelf tequila and historic capital city of Guadalajara, but beneath this colorful facade lurks a dark underbelly of crime. While a mapping project headed by the federal research institute CentroGeo keeps testing new techniques and equipment, such as laser scanners and thermal drones, that could lead to breakthroughs in unearthing clandestine graves, technology is not enough. After the burial of pig carcasses in one area of the Search Commission’s facility, scientists led by mapping project coordinator José Luis Silván noticed yellow flowers blooming from the phosphorus leaching into the soil from bodily fluids.
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