There is a ritual tradition that spans three centuries practiced by Dutch settlers in Pennsylvania known as powwow, (or Braucherei in the language of the Pennsylvania Dutch). The folk practice blends facets of religious belief, health and healing.
Folk Ritual Magic Gone Wrong
It was the dark of night on Thanksgiving Day 1928, when three farmers stole into the house of another man located in York County's Rehmeyer's Hollow. They tortured and murdered Nelson Rehmeyer spurred by the belief that he was a witch doctor steeped in the old Dutch mysticism known as Pow-Wows.
Stranger Than Fiction Stories by M.P. Pellicer