Preston began investigating UFOs and the paranormal in 1986 when he discovered that his family, friends, and co-workers were having dramatic unexplained encounters. Since then, he has interviewed hundreds of witnesses and investigated a wide variety of paranormal phenomena. He is a field investigator for the Mutual UFO Network (MUFON), a ghost hunter, a paranormal researcher, and the author of 27 books and more than 100 articles about UFOs and the paranormal.
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