Your idea seems fine just going by the article. Just don't make it ahistorical by making some brown Muslim being responsible for the lynching. Or don't have the black person raping and killing kids, which would then cause the mob the lynch him. Do you see and understand what the difference is? Anyway you reminds me of this comic, if you don't write the book there is none to blame but yourself. https://www.smbc-comics.com/comic/bah-2