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, according to investigators.
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The gunman who killed a Canadian tourist and wounded 13 others at Mexico's famed Teotihuacan pyramids had planned the attack days in advance, officials said Tuesday, as evidence pointed to him being inspired by a US massacre.