Every Halloween, children's thoughts turn to black cats, goblins and ghouls. For most, it is a joyful occasion, a chance to indulge in all things delightfully wicked. From magic potions to witches on broomsticks, the imagery is often lighthearted and playful because Halloween monsters are just make-believe. But tragically, in October of 1954, one little girl discovered that some monsters are real.