This Peruvian mummy may be the creepiest item in the collections of the Milwaukee Public Museum. According to a security guard, this mummy is also haunted. One night watch, she witnessed the strangest spectacle of her life. While investigating the mezzanine level to discover why the motion-sensitive lighting had switched on in an empty building, she claimed to see a formless, black mist, hovering like a swarm of flies, in the corridor. As she approached, the specter withdrew, penetrating the exhibit’s glass. Then suddenly the dark mass rushed into the mummy’s gaping mouth, as if swallowed into another dimension.