Teen who killed 8 in Thailand school shooting taught himself gun use via social media; police probe violent content, family issues as motive
Atthapol Anusit

Teen who killed 8 in Thailand school shooting taught himself gun use via social media; police probe violent content, family issues as motive

A 14-year-old boy in Thailand, who killed eight people including his grandparents, reportedly taught himself gun use through social media. Police are investigating his exposure to violent content, family issues, and academic anxiety as potential motives for the tragic shooting at his school.

BBC BBC10 August 2026 · 11:00 UTC
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A 14-year-old boy in Thailand opened fire at his home and school, killing eight people, including his grandparents, before taking his own life. Authorities revealed that the teen had self-taught gun use through social media and had accessed violent content online.1245

Police have stated that the boy's actions may have been influenced by anxiety over his studies, family issues, and conflicts with friends. Senior police official Atthapol Anusit confirmed that they have questioned 17 witnesses as part of the investigation into the shooting, which occurred at the Debsirin Nonthaburi School, a prestigious secondary institution.37

The investigation revealed that the teen used a handgun owned by his grandfather to kill his grandparents at home before proceeding to school, where he opened fire on teachers and students. Evidence collected includes the firearm, cartridge cases, and a knife found in his school bag. Atthapol indicated that the act was likely premeditated, although there was no evidence of prior shooting practice or training at a firearms range.8

The boy had lived with his grandparents since the age of two due to his parents' separation. His mother described him as a “bright, cheerful person” who “behaved normally” prior to the incident.

Key Insight
“Police have questioned 17 witnesses and gathered the firearm, cartridge cases, phone, and a knife from the teen's bag. Authorities say violent social media content, anxiety over studies, family issues, and conflict with friends may have fueled his actions, and a senior official said the act was "probably" premeditated.”
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“A teenager who opened fire at his home and school in Thailand, killing eight people and himself, had taught himself how to use a gun via social media, police have said.”
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