The government has tortured its citizens in the past and is covering up that torture in the present. It sounds like a Royal Commission or similarly significant investigation is needed.
1 - www.latimes.com/opinion/op-ed/la-oe-madley-california-genocide-20160522-snap-story.html
Although it's not true that the victors always write the history. There are cases where the defeated write books detailing all the injustices committed against them and it gets picked up centuries later after the tides of power have changed again, or so much time has passed that everyone involved is safe or dead -- I guess one can say that's how you know about the Native American version of American history and can talk about it safely.
Want an interesting thought? What in the horrors of hell is being done to Middle-Easterners?
I don't think anyone in the current government had any role in Indian genocide.