Mexican authorities identified Julio César Jasso Ramírez as the man who opened fire at the Teotihuacan pyramids, a 27-year-old Mexican national.

Julio Cesar Jasso Ramirez, the 27-year-old gunman behind Monday's shooting at Mexico's famed Teotihuacan pyramids, drew inspiration from pre-Hispanic sacrifices and the notorious 1999 US shooting at Columbine High School,

The front page of the Deseret News on April 22, 1999, as reporting continued from Littleton, Colorado, where an attack two days before at Columbine High School left 15 dead and many more injured. Editor’s note: This story was originally published on April 20,

The man who killed one tourist at a Mexican pyramid and wounded several others had materials in his backpack tied to a 1999 U.S. attack, a possible reference to the Columbine High School massacre.

Based on video where the shooter tells those from "goddamn Europe" they "are not going to return," the gunman may have chosen the Teotihuacán pyramids to target tourists.

A GUNMAN who opened fire at a world famous landmark that killed a tourist and injured two children was a school shooter fanatic. Julio César Jasso Ramírez, 27, has been named as the suspected

Students, parents, teachers and community members volunteered at several different locations for the Columbine Day of Service.

Teenage sweethearts Nicholas Kunselman and Stephanie Hart-Grizzell survived the Columbine massacre in April 1999. Ten months later, they'd be shot dead in a crime that remains unsolved.