A Thai witness states that the foreigner tried to drive away at first then a Thai opened the car door to attack him... Try reading posts before spouting your anti foreigner drivel....
News report on sky news saying all six where found "foaming at the mouth" according to local police...
https://news.sky.com/story/thailand-six-people-found-dead-at-hotel-in-bangkok-13178740
I thought that when I read your post.... the only thing I can think of is that mine were Class 2 Voluntary contributions.. only about 11 or 12 quid a month...
Done the same.... 5 missing years.. Class 2 voluntary contributions cost me under 700 gbp now maxed out at 37 years.. but the difference it makes to my pension forecast when I finally retire makes it well well worth it...