There’s a couple of mother and kid apparitions with pale appearances. At that point there’s the secretive Thai lady who glides around unfortunately, looking neither alive nor dead. She could very well be the unbelievable soul from the Japanese old stories – Snow Woman.
All things being equal, I uncertainty it “depends on.” More likely it was “inexactly motivated by” a story. I don’t trust a shred of this film is valid. Beam Garton, writer of A Dark Place, a book including the case, watched that the Snedekers couldn’t get their stories straight. When he reported this to the agents, Wikipedia says, he was told to “make it up and make it frightening.”