“I don’t know what to tell you, Mr. Deverell. The human mind is extremely complex. She could have simply picked up subconscious cues that manifested when triggered by something. Her friend could have been slipping her small doses of the drug without her knowledge. Or maybe she actually heard ghosts.
This is an interesting world. Nobody rules out the paranormal, like "Who knows. Weird shit happens.🤷🏽♀️"