Trending Now - Shooting at Teotihuacán Pyramids Raises Concerns Ahead of World Cup

WHO:

CBS News - The shooter, Julio César Jasso Ramírez, was identified as a 27-year-old Mexican citizen from Guerrero.

DW.com - José Luis Cervantes Martínez, the attorney general of the State of Mexico, described the shooter as having a "psychopathic profile" characterized by a tendency to copy situations that occurred in other places and times.

NBC News - Six Americans were confirmed among the injured in the shooting at the Teotihuacán pyramids.

CNN - The shooter was identified as 27-year-old Mexican citizen Julio César Jasso Ramírez.

CNN - The attack resulted in the death of a Canadian woman and injuries to seven other foreign nationals, including two Americans.

CNN - Mexican President Claudia Sheinbaum stated that her country is safe for tourists.

WHAT:

CNN - The attack resulted in the death of one Canadian woman and injuries to seven other foreign nationals, including two Americans, with an additional six foreigners suffering varying injuries during the chaos.

DW.com - Investigators found several books and handwritten notes referencing attacks in the United States in April 1999 at the scene of the shooting.

DW.com - Investigators found a gun, a knife, and a bag containing 52 rounds of ammunition at the scene of the shooting.

DW.com - The shooter was carrying a tactical-style backpack with an analog cellphone and bus tickets.

DW.com - The shooter possessed an AI-altered photo depicting him with the Columbine attackers.

CNN - The shooter, Julio César Jasso Ramírez, was reported to have carried a backpack containing handwritten notes related to violent events that occurred in the United States in April 1999.

The New York Times - Jasso acquired weapons, knives, backpacks, gloves, and goggles in preparation for the attack.

CNN - Mexican Security Secretary Omar García Harfuch stated that security will be further strengthened at archaeological sites in coordination with the Ministry of Culture and other authorities in preparation for the World Cup.

CNN - The shooter, Julio César Jasso Ramírez, was reported to have taunted first responders during the attack.

CNN - Authorities received the first report of the attack around 11:20 a.m. local time on April 20th, 2026.

CNN - The National Guard arrived at the scene around 11:30 a.m. local time on April 20th, 2026.

CNN - Seven foreign nationals, including two Americans, were wounded by gunshots, and another six foreigners suffered varying injuries during the chaos of the attack on April 20th, 2026.

CNN - The shooter was reported to have fired shots in the direction of National Guard members, who returned fire, wounding him in the leg before he took his own life.

CNN - The incident occurred on the 27th anniversary of the Columbine High School shooting, which took place on April 20th, 1999.

CNN - The shooter, Julio César Jasso Ramírez, acted alone and had no ties to criminal groups or drug cartels.

CNN - Videos from the scene showed the gunman pacing atop the Pyramid of the Moon, where a crowd of tourists lay on the floor next to him.

CNN - José Luis Cervantes Martínez, the attorney general of the State of Mexico, stated, “Based on the investigative steps taken, it appears this act was not spontaneous. The attacker planned and carried out his action alone.”

CNN - Sheinbaum stated, “We have never witnessed anything like this in Mexico before; it is the first time such an event has occurred.”

CNN - Sheinbaum acknowledged that the attacker was able to enter Teotihuacán with a gun because archaeological sites do not have security checkpoints.

CNN - Mexican Security Secretary Omar García Harfuch announced that security will be strengthened at archaeological sites in coordination with the Ministry of Culture and other authorities in preparation for the World Cup.

The New York Times - Julio César Jasso Ramírez took an Uber to the archaeological site on April 20th, 2026, before opening fire.

CBS News - Jasso was reported to have taunted first responders during the attack.

CNN - Seven foreign nationals, including two Americans, were wounded by gunshots, and another six foreigners suffered varying injuries during the chaos of the attack on April 20th, 2026.

CNN - The shooter, Julio César Jasso Ramírez, was reported to have fired shots in the direction of National Guard members, who returned fire, wounding him in the leg before he took his own life.

The New York Times - Jasso carried a backpack containing handwritten notes related to violent events that occurred in the United States in April 1999.

CNN - A gunman opened fire on tourists atop the Pyramid of the Moon, killing one and wounding eight others on April 20th, 2026.

CNN - The shooter was reported to have fired shots at first responders and later took his own life.

The New York Times - Jasso acquired weapons, knives, backpacks, gloves, and goggles in preparation for the attack.

WHERE:

CNN - The incident occurred at the Teotihuacán archaeological zone, located 30 miles north of Mexico City.

The New York Times - Jasso checked into a hotel near the Teotihuacán pyramids on April 19th, 2026.

WHEN:

CNN - The attack occurred on April 20th, 2026, which was the 27th anniversary of the Columbine High School shooting.

NBC News - The shooting occurred on April 20th, 2026, with Jasso checking into a hotel on April 19th, 2026.

CNN - The attack took place on April 20th, 2026, with the first report received at 11:20 a.m. local time.

CNN - The National Guard arrived at the scene around 11:30 a.m. local time on April 20th, 2026.

The New York Times - The attack occurred on the 27th anniversary of the Columbine High School shooting, which took place on April 20th, 1999.

WHY:

CNN - The shooter was reported to have shown signs of psychological issues and was influenced by previous mass shootings in the United States.

DW.com - The attorney general of the State of Mexico described the shooter as having a "psychopathic profile" characterized by a tendency to copy situations that occurred in other places and times.

CNN - Sheinbaum suggested that the attacker showed signs of psychological issues and was influenced by incidents that had taken place abroad.

CNN - Sheinbaum suggested that the attacker showed signs of psychological issues and was influenced by previous mass shootings in the United States.

The New York Times - José Luis Cervantes Martínez stated that Jasso acquired weapons, knives, backpacks, gloves, and goggles in preparation for the attack.

CNN - Authorities indicated that the attack appeared to be premeditated, with Jasso having visited the archaeological zone multiple times prior to the shooting.

CNN - Sheinbaum suggested that the attacker showed signs of psychological issues and was influenced by previous mass shootings in the United States.

HOW:

DW.com - The shooter was reported to have acquired weapons, knives, backpacks, gloves, and goggles in preparation for the attack.

DW.com - The shooter began firing at tourists while atop the Pyramid of the Moon in the archaeological complex, prompting some people to lay motionless on the ground to hide while others fled the scene.

CNN - The shooter accessed the archaeological site without encountering security checkpoints, as such sites typically do not have them.

CNN - The shooter used a firearm to carry out the attack, which was described as a planned act rather than a spontaneous one.

CNN - Sheinbaum acknowledged that the attacker was able to enter Teotihuacán with a gun because archaeological sites do not have security checkpoints.

CNN - Jasso accessed the archaeological site without encountering security checkpoints, as such sites typically do not have them.

CNN - The shooter used a firearm to carry out the attack, which was described as a planned act rather than a spontaneous one.

(UPDATED April 22, 2026 17:20 UTC)

The shooter, identified as 27-year-old Julio César Jasso Ramírez from Guerrero, Mexico, carried out an attack on Monday, which marked the 27th anniversary of the Columbine High School shooting, resulting in the death of one Canadian woman and injuries to seven other foreign nationals, including two Americans. José Luis Cervantes Martínez, the attorney general of the State of Mexico, described Jasso as having a "psychopathic profile" and noted that investigators found books and notes at the scene referencing past attacks in the U.S. Reports indicate that Jasso showed signs of psychological issues and had acquired weapons and other items in preparation for the assault.

(UPDATED April 22, 2026 13:20 UTC)

Investigators have uncovered a gun, a knife, and a bag with 52 rounds of ammunition at the scene of a shooting that took place at the Pyramid of the Moon, where the shooter began firing at tourists. The shooter was carrying a tactical-style backpack containing an analog cellphone and bus tickets, along with an AI-altered photo of himself with the Columbine attackers. The attorney general of the State of Mexico described the shooter as having a "psychopathic profile," noting a tendency to replicate violent situations from the past.

(UPDATED April 22, 2026 11:24 UTC)

In a troubling development, the shooter, Julio César Jasso Ramírez, was found to have a backpack filled with handwritten notes referencing violent events from on Sunday99 in the United States, along with weapons, knives, and other gear for his attack. Mexican Security Secretary Omar García Harfuch announced that security will be enhanced at archaeological sites in collaboration with the Ministry of Culture and other authorities, especially with the World Cup approaching. Meanwhile, Mayor Claudia Sheinbaum indicated that Jasso may have exhibited psychological issues and was possibly influenced by international incidents, as he was able to access the archaeological site without facing any security checkpoints, which are typically absent at such locations.

(UPDATED April 22, 2026 09:21 UTC)

on Monday, a shooter named Julio César Jasso Ramírez opened fire, wounding seven foreign nationals, including two Americans, while taunting first responders during the chaos. Authorities received the first report of the attack around 11:20 a.m. local time, with the National Guard arriving shortly after, and they engaged the shooter, who ultimately took his own life after being wounded in the leg. Investigators, including the attorney general of the State of Mexico, believe this was a planned act, influenced by previous mass shootings in the U.S. and showing signs of psychological issues.

(UPDATED April 22, 2026 07:23 UTC)

In a shocking incident at the Pyramid of the Moon, the shooter, Julio César Jasso Ramírez, acted alone and had no connections to criminal groups or drug cartels, according to Mexican authorities. Attorney General José Luis Cervantes Martínez confirmed that the attack was premeditated, while Security Secretary Omar García Harfuch announced plans to enhance security at archaeological sites in response to the tragedy. Mayor Claudia Sheinbaum noted that this was an unprecedented event for Mexico and suggested that the attacker may have been influenced by prior mass shootings in the United States.

(UPDATED April 22, 2026 05:43 UTC)

A shooting at the Teotihuacán pyramids on Monday, left six Americans among the injured, with the attacker, Julio César Jasso Ramírez, reportedly taunting first responders during the incident. Jasso had taken an Uber to the archaeological site after checking into a hotel the day before, and he was said to have acquired weapons and other supplies in preparation for the attack. Authorities noted that Jasso was able to enter the site with a gun due to the lack of security checkpoints at these archaeological locations.

(UPDATED April 22, 2026 04:00 UTC)

on Monday, seven foreign nationals, including two Americans, were wounded by gunfire during an attack, while another six foreigners sustained various injuries. The shooter, identified as Julio César Jasso Ramírez, opened fire towards National Guard members, who returned fire and injured him before he took his own life; he was found with a backpack containing notes related to violent events from on Sunday99 in the U.S. Following the incident, José Luis Cervantes Martínez, the attorney general of the State of Mexico, indicated that the attack was premeditated, and Mexican Security Secretary Omar García Harfuch announced plans to enhance security at archaeological sites in preparation for the upcoming World Cup.

(UPDATED April 22, 2026 01:24 UTC)

A gunman identified as 27-year-old Mexican citizen Julio César Jasso Ramírez opened fire on tourists atop the Pyramid of the Moon on Monday, resulting in the death of a Canadian woman and injuries to seven other foreign nationals, including two Americans. Jasso, who had checked into a hotel near the archaeological zone the day before, reportedly prepared for the attack by acquiring weapons and other supplies, and he ultimately took his own life after firing at first responders. Mexican President Claudia Sheinbaum emphasized that her country remains safe for tourists, despite authorities indicating that the attack appeared to be premeditated and influenced by prior mass shootings in the United States.