In the 1960s and 1970s the revisionists tried to blame scalping on the White Man.
In the movie SOLDIER BLUE Candice Bergen claims whites taught the Indians to scalp.
Then a farmer found a large numbers of skeletons at Crow Creek, South Dakota. Now scalping by Indians goes way back to the 1300s and 800AD.
https://ournativeamericans.blogspot.com/2018/07/1300s-crow-creek-massacre-in-south.html
https://www.washingtontimes.com/news/2015/feb/9/crow-creek-massacre-in-1300s-remains-south-dakotas/
And 800AD..
https://mcclungmuseum.utk.edu/1991/12/01/scalping-victim/
When the Mexican government started offering gold for Apache scalps, several Scalp hunter companies started into the business. The best were Shawnee Indians from Oklahoma and Freed Blacks.
Thanks for the links interesting read.