Wrong place,wrong time,poor kid,I have known a few went like that.Looks like he was killed by one of those little home-made zip guns,innacurate beyond a few yards because of the rifling or lack of,so almost certainly accidental
Panghan is renown for one thing amongst gap-year students,the full moon parties,I went to one once,absolutely incredible atmosphere,it was like the best rave you ever went to X100 but a lot of people at those sort of places let their guard down.
Thai men often have hairtrigger tempers
My ex-brother in law is thai,tiny skinny little guy,always smiling,I looked in his glove compartment once,knuckle-duster and a flick-knife