William Warwick has done some interesting research.
http://www.thenorfolkincident.com, http://www.coasttocoastam.com/guest/warwick-william,
http://www.disclose.tv/action/viewvideo/129337/March_15_2013__Boomerang_UFOs_amp_Open_Lines,
http://www.youtube.com/user/Eyewitness2007?feature=watch,
http://www.academia.edu/2118839/The_Hunt_for_Boomerang_UFOs,
http://www.jerrypippin.com/UFO_Files_phoenix_lights.htm
One doesn't need to assume that all UFOs are of a deceptive & malevolent nature.
However, its always good to be cautious with some unknown visitors & their possible harvesting-of-souls.
Paola-Harris has done extensive research over the years & has discovered many more positive encounters than negative ones.
The Concept of Evil, the Devil, the Jinn & several other sinister entities or tricksters, continues to be covered by many researchers. One of the worlds best is at, http://www.cryptozoonews.com/devil-names or
http://copycateffect.blogspot.com/2013/03/devil-sites.html
http://en.wikipedia.org/wiki/Close_Encounters_of_the_Third_Kind#Legacy
