The US oppresses and murders differently (though you could look to Cuba and say with gusto "this is a crime and needs to get someone in front of the international tribunal") than China. For examples of the US being an absolute ass, you may for example look towards the middle east. Or I suppose right next door, to south america.

Edit: Note that these are enormous swathes of land where the US has been perpetrating war crimes for so long most people living there don't even remember differently anymore.