The Hiawatha Asylum is (or was) at terrible place. I don’t want to write about it.
But it has been in the news today. This is a pretty good story and video: http://www.usatoday.com/story/news/nation/2013/05/05/sd-native-american-insane-asylum/2137011/
Here is a good article you might want to read that tries to address some of the hard questions: