Investigation into School Shooting at Debsirin Nonthaburi

Overview of the shooting at Debsirin Nonthaburi School and the subsequent police investigation.

Close friends discuss the perpetrator's struggle with a failing grade in Thai language and his dislike for the teacher.

A friend clarifies that the perpetrator was quiet but not bullied or physically harmed during middle school.

Details emerge about the student previously bringing BB guns to school to show off to friends.

A step-by-step account of the shooting during the second period mathematics class.

Further discussion with a friend regarding the specific grievances against Teacher Orasa.

Confirmation that the student had no known conflicts or violent disputes with classmates.

Eyewitness account of the shooter standing up and firing without warning.

The father discusses academic pressure and the influence of a relative who is a former teacher.

Police investigate the source of the firearm and the student's familiarity with BB gun ranges.

An alumnus shares past experiences of bullying and the perceived indifference of school staff.

The Thai language teacher clarifies her relationship with the student during his second year of middle school.