Teotihuacán gunman carried Columbine-linked materials, authorities say

TL;DR
Mexican authorities say the Teotihuacán pyramid shooter acted alone, carried a handgun, ammunition, a knife, and documents referencing violence including the Columbine massacre, and showed psychological problems; he fatally shot himself after a standoff, a Canadian tourist was killed and 13 others injured, and the government pledged reinforced security and metal detectors at sites ahead of World Cup events.
- Mexico official: Teotihuacán gunman carried material related to US mass shooting BBC
- Gunman kills tourist and wounds 6 others on Mexico's Teotihuacán pyramid Yahoo
- Mexico to beef up security at tourist sites after shooting at pyramids NPR
- Julio César Jasso Ramírez: The Teotihuacán shooter who celebrated the Columbine massacre and the fascist far right EL PAÍS English
- Gunman who fired on tourists at Mexican pyramid carried materials related to 1999 Columbine massacre AP News
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