Shooting at Teotihuacan pyramid kills tourist

A 27-year-old gunman climbed the Teotihuacan archaeological site and opened fire on a massive crowd, killing a Canadian tourist and injuring 13 others. Disturbing new footage has surfaced showing bystanders standing around the scene after the attack, with no visible police presence or evacuation underway. Authorities are investigating the motive and the security response at the popular tourist destination.