We continue from part 1, considering the many theories regarding what is variously referred to as aliens, extra-terrestrial, UFOs, flying saucers, etc. and how such theories seem to have found a point of convergence, of commonality.
Perhaps the most interesting theory which unites them all is something to the likes of that influenced by inter-dimensional demons, fallen (employing a Christian term) human / governments with power lust are developing high tech of which the populace gets, at best, mere glimpses.