The truth about alien visitors may actually be different than what Hollywood has traditionally told you. On the one hand we’ve had the space brothers who have come to help us save the planet and ourselves (“Close Encounters,” “The Day the Earth Stood Still”). On the other hand, we’ve had the cosmic badasses who’ve come to create hell on Earth (“War of the Worlds,” “Independence Day”). The two films in our Smackdown ring each suggest another alternative. The aliens are here for a more unknown purposes. They’re not cuddly scientists like “E.T.” but bizarre and harsh. Both “Communion” and “Fire in the Sky” tell us that they’re here taking people out of their homes and neighborhoods in the middle of the night, tagging them like deer in a Lyme disease study, probing and poking them in ways that suggest rape as much as anything else. Possibly more unsettling is that these two films were both based on books which were based on true stories. You may scoff at the word “truth” here but, the fact is, the central characters in each — Whitley Strieber and Travis Walton — have both passed lie detector tests. Show me a Hollywood agent who could do that about today’s phone list and you’ll begin to appreciate the accomplishment. The questions — as we continue our film exploration of alien contact — are, which version comes closest to what might be the truth about alien intentions here on Earth, and which one is the better film?