They're still operating. Dig the videos of white pretendians in tipis, with fake NDN bling and Plains-style hand drums. Note the familiar faces and names of known frauds.
http://www.shamanconference.co.uk/http://www.shamansociety.org/Videos of circles of white people on a fake NDN drum, white people in fake NDN regalia, the offensiveness just keeps coming from those pages...