A 69-year-old Thai marine, Thanapat, was arrested after shooting a classmate, Suthud at a class gathering on 24 August
Thanapat was allegedly bullied by Suthud some 50 years ago.
At the gathering, Thanapat asked his former bully, Suthud, if he remembers attempting to bury him alive
He also asked for an apology from Suthud.
Unsatisfied with his bully's response, Thanaput pulled out a gun and shot Suthud in the stomach, with the bullet allegedly passing through his back
According to Ang Thong News Official, Suthud died after being admitted to Ang Thong hospital, as reported by Mothership.
Police are currently investigating the case.