The revelations came on Sunday as the government promised ‌new safety protocols for schools. Police said the boy had used social media to learn how to use a firearm. He said that last year a teacher had confiscated ​a BB gun, a type of air gun, that the boy had taken to school. The boy had lived with his grandparents for 12 years after his ​parents ​had separated, Atthapol said. The Ministry of Education ​said it would develop new safety protocols over ‌the next three months, including mental health screenings and a system to refer at-risk people to specialists.