Guerrero mass graves
Taxco de Alarcón, Mexico
The Guerrero mass graves was a multihomicide of more than 55 people found in June 2010 in Taxco, Guerrero, Mexico. Officials of the state of Guerrero speculate that the mass graves where the bodies were found may hold up to 100 corpses. The mass murder was reportedly carried out by members of the Mexican drug cartels that operate in the state.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).