How pigs could help find missing Mexican drug cartel victims

Danger warning tape stretches along a Nextipac ranch where prosecutors say bodies were discovered in a mass grave during excavations for the construction, in the Zapopan municipality, Jalisco state, Mexico - (Associated Press/Alejandra Leyva)

Researchers in Mexico are employing an unusual method to locate the thousands of individuals who have vanished amidst decades of drug cartel violence: pigs.

These animals serve as proxies for human remains, undergoing various simulated disposal methods.