Gunman shoots several tourists at historic pyramids in Mexico

NPR, citing the Associated Press, reports that a gunman opened fire atop one of the Teotihuacán pyramids in Mexico on Monday, killing one Canadian tourist and injuring at least 13 others. The article appears in a major national outlet with strong editorial standards; AP and NPR are wire-service-quality sources with established fact-checking protocols, and the byline attribution to AP indicates professional sourcing. Cross-referencing with AP News, PBS, Al Jazeera, and CBC News confirms the core facts: one Canadian woman was killed, multiple others were injured, the incident occurred at the tourist site north of Mexico City, and Mexican President Claudia Sheinbaum ordered a thorough investigation. CBC News adds that the gunman died (presumably by suicide) and that at least two Canadian citizens were among the casualties—detail the NPR summary does not include. Watch for follow-up reporting on the investigation findings, the gunman's identity and motive, and any impact on visitor safety protocols at the major tourist attraction.