Killing site in Jalisco, Mexico is just the latest in a long series of gruesome discoveries

This week, prosecutors in western Mexico confirmed the discovery of hundreds of clothing items and bone fragments by a group of individuals searching for their relatives at a previously known cartel training site. This finding has highlighted significant deficiencies in the original investigation.

However, this discovery in the state of Jalisco is not an isolated incident. Mexico’s official registry indicates that there are more than 120,000 missing persons in the country. Over the past 15 years, the unearthing of such disturbing sites has become more frequent as family members of the disappeared take on the task of searching for their loved ones, a responsibility that the government often neglects.

In this particular instance, the Jalisco Search Warriors group was investigating a ranch in Teuchitlan, located approximately 37 miles (60 kilometers) from Guadalajara. This location was initially discovered by National Guard troops in September of last year.

At that time, authorities said 10 people were arrested, two hostages were freed and a body was found. They described it as a cartel training site. The state prosecutor’s office went in with a backhoe, dogs and devices to find inconsistencies in the ground, but then the investigation inexplicably stalled.

The search group had gone there after receiving an anonymous call, said leader Indira Navarro.

“This ranch served as a training site and even though it sounds awful, really harsh, for extermination,” Navarro said.

The site is only the latest in a troubling history of such places in Mexico. Drug cartels have used these often remote locations to make their victims disappear.

When The Associated Press visited a site near Nuevo Laredo, across the border from Texas, in 2022, a room in a small abandoned house had been converted into a crematorium. When investigators had first arrived the floor was covered with 20 inches (50 centimeters) of bone fragments and ash and more bones were scattered across the ranch.

Mexico violence

Police stand guard outside the entrance to Izaguirre Ranch where skeletal remains were discovered in Teuchitlan, Jalisco state, Mexico, Thursday, March 13, 2025.

AP Photo/Alejandra Leyva)

Here’s a look at several other cases that have unnerved Mexicans:

‘The Stewmaker’ (Baja California)

In 2009, Santiago Meza confessed to authorities that he had made 150 to 300 bodies disappear for his drug lord boss by dissolving them in lye.

Meza used big oil drums and then buried the remaining bones or dumped them in streams. He was dubbed the “Pozolero,” or the one who makes pozole, a Mexican stew. He said he wasn’t the only one who did it.

San Fernando (Tamaulipas)

Mexico hadn’t been accustomed to finding large clandestine graves. That changed in 2011, when nearly 200 bodies were found in graves on the outskirts of San Fernando, south of Brownsville, Texas. It was the same town where a year before 72 migrants had been killed on a ranch.

Authorities struggled to identify and process all of the victims.

Officials said most of the bodies found in and around San Fernando belonged to Central American migrants kidnapped off buses and killed by the Zetas. Some were offered the chance to live and join the gang – if they proved their worth by fighting other innocent passengers with sledgehammers.

Piedras Negras jail (Coahuila)

In 2017, the Colegio de México shared its investigation that determined the Piedras Negras jail, across the border from Eagle Pass, Texas was a base for the Zetas cartel.

The investigators said that as many as 20 people had the job of dispatching the cartel’s victims in barrels of diesel fuel.

Victims were sometimes shot on site or bludgeoned to death and dismembered.

La Bartolina (Tamaulipas)

Local media around Matamoros began to talk about this site in Mexico’s far northeast corner, where the Rio Grande dumps into the Gulf Mexico, in 2016. But it was years before authorities did anything.

When Tamaulipas Search Commissioner Jorge Macías visited for the first time he saw “pelvic bones, craniums, femurs, everything thrown there … I said to myself ‘it can’t be,'” he told the AP in 2021.

By 2022, authorities had recovered some 1,100 pounds (500 kilograms) of bones at La Bartolina. They had identified at least 15 “extermination sites” in the state with La Bartolina being the largest. Federal investigators are still working there.

Copyright © 2025 by The Associated Press. All Rights Reserved.

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