Mexican authorities identified the alleged perpetrator of the shooting that occurred in the archaeological zone of Teotihuacán, an attack in which a Canadian woman was killed and thirteen foreign tourists injured. The suspect, who took his own life, was identified as Julio César Jasso Ramírez, a 27-year-old Mexican resident in Mexico City.

First modification: 04/21/2026 - 20:28 Last modification: 04/22/2026 - 05:16

A profile marked by fascination with violence. The identification was possible after the discovery of a voter ID at the scene of the attack, whose data coincided with the man who appears in videos broadcast on social networks during the shooting. Authorities continue to analyze the authenticity of those images as part of the investigation.

The attack, which occurred on April 20 in the vicinity of the Pyramid of the Moon, caused panic among national and international visitors and generated strong concern about security in one of the most visited tourist destinations in the country.

The first investigations indicate that Julio César Jasso Ramírez maintained a strong fascination with episodes of mass violence and extremist symbols. According to the authorities, the young man declared himself a sympathizer of Adolf Hitler and showed admiration for the Columbine massacre, perpetrated by Eric Harris and Dylan Klebold.

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According to the investigations, among his belongings were manuscripts, images and material related to that attack, as well as montages generated with artificial intelligence in which he appeared alongside the perpetrators of the school shooting. Some published photographs suggest that these inclinations dated back to his adolescence.

The authorities are investigating the case under the hypothesis of "copycat" behavior, that is, the imitation of patterns of violence inspired by previous events.

Read alsoMexico: a Canadian tourist dies in a shooting in Teotihuacán; 13 people were injured

Possible mental disorder and solo performance

The attorney general of the State of Mexico, José Luis Cervantes Martínez, pointed out that the case could be linked to a psychological or psychiatric alteration, rather than a traditional motive.

As the official explained, the attacker seemed to live in a "reality of his own," with handwritten notes in which he claimed to act alone and obey orders from a supposed entity "that is not of this earth." These elements, according to the prosecution, reinforce the hypothesis of a mental disturbance.

Preliminary investigations also indicate that Jasso Ramírez acted alone and that there are, for now, no indications of the participation of other people.

An attack planned for weeks

Authorities maintain that the shooting was previously planned. According to the Attorney General's Office of the State of Mexico, the alleged attacker visited the archaeological zone on several occasions, stayed in nearby hotels and took tours to study the terrain.

In addition, he would have invested nearly 50,000 pesos in preparing the attack, including the purchase of a .38 caliber revolver, ammunition, gloves, knives, glasses and tactical backpacks. These elements point to a methodical and prolonged preparation.

The shooting occurred near the Pyramid of the Moon and caused scenes of chaos among visitors. During the intervention of the National Guard, the aggressor was wounded in the leg and later shot himself, dying at the scene.

The attack has generated alarm both in Mexico and abroad, as it is the first episode of armed violence recorded in this tourist enclave since its opening to the public in 1987.

The event has reopened the debate about security in busy tourist areas. Following the shooting, local and federal authorities have reinforced surveillance in the Teotihuacán archaeological zone while the investigation continues.

Investigators are now working to reconstruct the events minute by minute and determine if there were additional factors that contributed to the attack. The Prosecutor's Office plans to offer new updates in the coming days as the investigations progress.

With EFE and local media

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