Most recently Japan occupied them... Quite brutally, once Japan was defeated in WW2 a pro China guy up north and pro US government in the south formed...
You know you really made it as a country when your recent history is all about which country owned you before and which owns you now.
I imagine the extent of media coverage might also greatly influence how a perpetrator is treated. But probably also true skin colour / cultural background greatly influences the amount of media coverage. To be honest, I think we as humans are all at least a bit racist and xenophobic (or just phobic in general for sure), but we really can't allow the way our brains are wired to decide how well or badly we treat other human beings.