The gunman who opened fire on tourists at Mexico’s iconic Teotihuacan pyramids carried materials that were apparently related to the deadly 1999 shooting at Columbine High School. That's according to authorities who spoke Tuesday, a day after the attack that...
The gunman who opened fire on tourists at Mexico’s iconic Teotihuacan pyramids carried materials that were apparently related to the deadly 1999 shooting at Columbine…
