The Native Americans of the Pine Ridge Indian Reservation, South Dakota, believe in the existence of an extremely dangerous and supernatural creature in their midst. They refer to it as the Tall Man Spirit. It is also known as Walking Sam; the latter is the name which has proved to be easily the most popular of the two monikers. He or it – go ahead and take your pick – looks not at all unlike the Slenderman. Walking Sam is in excess of seven feet in height and, just like the Slenderman, he doesn’t have much in the way of meat on his bones. His arms and legs are long and spidery. And he lacks a mouth. Peter Matthiessen, who in 1983 wrote a book...
