Flowers and images honoring teachers are placed outside Debsirin Nonthaburi School following a tragic shooting incident, in Bang Kruai district, Nonthaburi province, just outside Bangkok, Thailand, on August 9, 2026. — ReutersA teenage boy in Thailand, responsible for a deadly school shooting near Bangkok, had an air gun confiscated by a teacher last year and had watched violent content online, authorities revealed on Sunday. Police stated the boy had used social media to learn how to operate a firearm. “Examination of the computer revealed that the boy had viewed violent content on social media,” Atthapol added. Police also mentioned that last year, a teacher confiscated a BB gun—a type of air-powered gun—that the boy had brought to school.