- Authorities say the student at the Debsirin Nonthaburi School had shot dead his grandparents at home using a handgun owned by his grandfather, before heading to school where he opened fire at teachers and students.
- He killed eight people and himself.
- Senior police official Atthapol Anusit told reporters on Sunday that they have questioned 17 witnesses so far while investigating the 14-year-old's motive.
- Evidence gathered includes the firearm used by the teen, cartridge cases, his mobile phone, and a knife found in his bag; his computer at home indicates he had accessed violent content on social media.
- Police say he had taught himself gun use via social media.
- Authorities said the boy's consumption of violent social media content, anxiety over his studies and family issues, and conflict with friends might have fuelled his actions.
- When asked by reporters if the act was premeditated, Atthapol said that was "probably" the case.
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.
“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.”

