With the publication of "Shadows of Deception" I introduced the subject of the use of a specific technique of non-hypnotic regression. A tool for searching and retrieving memories related to encounters with extraterrestrial entities and / or belonging to past existences; these memories are, in many cases, hidden by a kind of amnesia, natural or induced, which maintains the experience in the unconscious substrate, so as to have a post-hypnotic effect...