Just as non-existent video store shelves are overflowing with found-footage horror films, the internet is bursting at the seams with people bitching about them. It’s well deserved as the vast majority of movies utilizing that format are criminally terrible, but they’re cheap to produce, capable of turning our the occasional winner, and aren’t going away anytime soon. Faux-documentary horror movies aren’t nearly as ubiquitous, but the best ones manage to cherry pick elements from the format above while avoiding many of the pitfalls. Banshee Chapter is both found-footage and faux-documentary, and yet it’s also neither. The U.S. government has admitted to various highly unethical tests and experiments performed on unwitting civilians in the early ’60s, and while official apologies have come and gone the details of the incidents have never been fully known. Until now, apparently. Anne Roland (Katia Winter) is a working journalist who begins an investigation when an old friend of hers disappears after experimenting with one of the C.I.A.’s test chemicals. The drug in question, MK-Ultra, appears to stimulate the pineal gland leading to a greater awareness of the world and its less visible inhabitants. But just as H.P. Lovecraft warned in “From Beyond,” the strange beings that the drug’s users are made privy to can also now see them, and anyone could tell you that’s not going to end well.