More than 100 bodies found in secret mass grave within Mexico cartel stronghold

Authorities work at the site where at least 113 bodies have been identified inside a clandestine grave [Francisco Guasco/EPA-EFE/REX/Shutterstock]

More than 100 dead bodies have been found piled together in a mass grave within the territory of one of Mexico's most notorious gangs. 

Many of the bodies are believed to have been dismembered with skulls found separately in nearby bags.