Earlier discussion containing Medicine Men for Rent by Avis Little Eagle Lakota Times Jul 9, 1991:
www.newagefraud.org/smf/index.php?topic=44.msg91#msg91In a note in that thread one of his wives Donna A. “Sincereray” Scott Mattern is mentioned. Her Find a Grave memorial includes an upload of her death certificate. R.I.P.
https://www.findagrave.com/memorial/185697718/donna_arthurine_arthura_matternMore of Avis Little Eagle's work can be found in this book "Visions of an enduring people : a reader in Native American studies". Get a free account with Internet Archive in order to borrow book and access it all.
https://archive.org/details/visionsofendurin0000unse/mode/2upFrom the article Prophets for Profit:
"Mr. Two Elk said Buck Ghost Horse's ex-wife, Donna, charged him with child molestation."
"Most of his vision quest interpretation comes from cowboy and Indian comic books."
Buck Ghost Horse also used the names Ghost Bear or Two Bulls.
Claimed to be Hunkpapa Sioux and also a Sicangu Sioux.
Neither office of enrollment had records supporting his claims.
Claimed he was an ordained minister of the Methodist Indian Church of Los Angeles. Signed himself as Reverend Buck Ghost Horse.
He regularly scammed people with a "Healing Light Ceremony". This ran about 3 hours beginning at sunset. There was an admission price. Participants described as white, from ages 12 to 40.
He used pipes, crystals, points, feather fans, fire. He scared people by claiming that a horrible cleansing was coming very soon and that people should turn to true teachers (such as himself) to save them.
He used readings from Edgar Cayce.