Jim Macdonald has produced a detailed analysis of their journey which concludes that the episode was provoked by their misperceiving an aircraft warning beacon on Cannon Mountain as a UFO .
Jim Macdonald is a resident of the area in which the Hills claimed to have been abducted .
Jim Macdonald , a resident of the area in which the Hills claimed to have been abducted , has produced a detailed analysis of their journey which concludes that the episode was provoked by their misperceiving an aircraft warning beacon on Cannon Mountain as a UFO .