After the fifth foot was discovered of the 20, the story had begun to receive increased international media attention. With major headlines from newspapers such as the Melbourne Herald Sun, The Guardian, and the Cape Times in South Africa, the story elicited much speculation about the cause of the mystery, originating from "morbid fascination" with this type of subject, as stated by one scientist who identifies remains of victims.[12] On his late night talk show David Letterman questioned two Canadian audience members about the mystery.[13]