Before the "Mass graves", it was the "missing and murdered indigenous women" that everyone pretended was a really big deal and some big mystery that the government totally needed to solve.

The problem was that everyone knew the answer, but had to pretend they didn't because racism.

Native American Men and Alcohol.

So the government was accused of not caring (because racist). It couldn't actually get involved (because racist) and no one could point out the farce (because racist)