 Some within Charismatic Christianity critique the practice, such as David Pawson, a Bible teacher and charismatic Christian, who states the closest Biblical reference is the story of Ananias and Sapphira, which has a quite different connotation.Matthew Slick of the Christian Apologetics and Research Ministry advises caution and discernment.The 1967 film "Holy Ghost People" by Peter Adair documented an Appalachian Pentecostal church service in which several people were slain in the Spirit.