A ranch used as a training camp by a Mexican drug cartel was littered with burned bodies and discarded possessions. The discovery has sparked calls for justice.

Protesters gathered across Mexico to demand justice following a grisly discovery of charred bones, shoes and clothing at a suspected drug cartel training ground.

Two former Mexican police officers were arrested for alleged links to a suspected drug cartel training ground where bones, shoes and clothing were found earlier this month, authorities said.

The ranch was thrust into Mexico’s ever-expanding registry of notorious places after civilian searchers this month discovered mounds of clothing – hundreds of shoes, shirts, pants, backpacks ...