And lets not forget various cold-blooded assassinations of civilian activists, or not actually all that activist, such as sleeping teenagers: (allegedly)
Or even, perhaps, the murder of disproving foreign heads of government, who would otherwise be friendly fellow Westerners if not for the thing they were (allegedly) being killed in the defense of.
I am not personally a 'by any means necessary' sort of guy but then I have the comfort to not be. And the United States, after all, made a violent break from the British Empire on far less severe provocation then what Black south Africa faced. I'm not saying I'm just saying.