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Mass Shooting at Teotihuacan Leaves One Dead, 13 Injured

4/22/2026

26 3 Full Breakdown

Summary

Story summary

On April 21, 2026, a mass shooting at Teotihuacan killed a Canadian woman and injured 13 others.
The attacker, Julio César Jasso Ramírez, 27, was influenced by prior shootings.
He showed signs of instability.
He was armed with a .38-caliber revolver and knives.
The investigation suggests Jasso's actions were motivated by copycat syndrome.

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Story summary

On April 21, 2026, a mass shooting at Teotihuacan killed a Canadian woman and injured 13 others.
The attacker, Julio César Jasso Ramírez, 27, was influenced by prior shootings.
He showed signs of instability.
He was armed with a .38-caliber revolver and knives.
The investigation suggests Jasso's actions were motivated by copycat syndrome.