Researcher Joe Nickell writing for Skeptical Inquirer magazine explains that this gives "Credulous believers in ghosts...  confirmation of their superstitious beliefs" who tell of hearing Melissa weeping and calling out for her murdered tutor. Nickell states that it is common to hear sounds in caves which "the brain interprets (as words and weeping)... it's called pareidolia".
Researcher Joe Nickell, writing in Skeptical Inquirer magazine, explains that this provides "believers in ghosts... confirmation of their beliefs" who recount hearing Melissa weeping and calling out for her murdered tutor. Nickell notes that it is common to hear sounds in caves which the brain interprets (as words and weeping)... a phenomenon known as pareidolia.