Mark welcomes Preston Dennett back to the show. 

Preston Dennett 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 thirteen books and more than 100 articles on on UFOs and the paranormal.

His articles have appeared in numerous magazines. Preston has taught classes on various paranormal subjects, and lectures across the United States and is currently building a following on Youtube. 

Preston's website can be found here:

https://prestondennett.weebly.com

Preston's YouTube Channel can be found here:

https://www.youtube.com/channel/UCOntTQrEbD94Gjfc0UXC46A