Can't expect troops to have better morals than the population they are drawn from.
"Nigra's got a pituitary the size of a golf ball."
Indigenous have been heavily preyed on by pedovore cultists. Drugs and demoralization shilling, just as in the outside world.
They call the pedovores Skinwalker, windego and other names. They also have secret societies like the cannibal Thunderbirds in the pacific northwest
Indian secret societies do exactly what mainstream secret societies do - run scams on everyone else, and control the fake tribal government.
When one of the dark cult's scams is exposed, they let a fake bacon boy politician take the fall – if they can't frame a traditional for the crime.
dark forces tactics are the same across all human communities.