Overview
- A masked gunman opened fire at the Teotihuacán pyramids on Monday, killing a Canadian tourist and injuring others before dying from a self-inflicted gunshot.
- Investigators say the 27-year-old Mexican suspect planned the assault and left materials referencing an April 1999 U.S. school massacre, indicating possible inspiration.
- Officials recovered a handgun, a knife, and ammunition at the scene, and videos showed the shooter firing from the Moon Pyramid as visitors took cover.
- Thirteen people were reported injured across updated tallies, including a child, with victims from countries such as Canada, Colombia, Russia, the Netherlands, the United States, and Brazil.
- President Claudia Sheinbaum ordered a full probe, contacted Canada, deployed the National Guard, and said security protocols at archaeological sites will be strengthened ahead of the World Cup.