15 Biggest Mass Shootings in The World

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9. Sandy Hook Massacre

Deaths: 20

The Sandy Hook Massacre is the name given to a mass shooting that occurred at the Sandy Hook Elementary School in Newtown, Connecticut on December 14, 2012. 20-year-old Adam Lanza shot 20 children aged between six and seven and six adult staff members. Prior to attacking the school, Lanza also killed his mother at their home. The shooting was the deadliest attack targeting a high school or grade school in U.S history and also sparked debates about gun legislation, including proposals for a universal background-check system. Two years later, a report by the Office of the Child Advocate said that Lanza suffered from Asperger’s syndrome, a developmental disorder.

Arina P Habich/Shutterstock.com

Arina P Habich/Shutterstock.com

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