Someone ought to ask real American Indians what they think of this re-write...
The article itself is lacking enough detail (tribes, time, places) to make it suspect.
Tribal lore among the Sioux and the Utes with whom I have family ties considered sexual abuse of children so contemptible that the corpse of such an offender so executed would not even be handled-- it was typically pushed over a cliff, riverbank or forbidden area with a long pole.