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An 18-year-old in Ontario, California who was “obsessed” with the Columbine shooting hatched an elaborate plot to carry out a mass shooting at his own high school, police said Wednesday.
Sebastian Villasenor was arrested and charged with attempted murder and terrorist threat after authorities allegedly discovered “over a thousand rounds of ammunition” and 11 weapons during a search of his home, as well as evidence he was carefully planning the crime.
“He researched tactical supplies and was in the process of choosing a specific date to carry out the school shooting,” Ontario Police Chief Mike Lorenz said during a press conference.