3d Emma Miller was very sleepy. Her fiance, Nathan Davis, picked her up and brought her back to their apartment. He tucked her into bed in the dimly lit room where she lay awake for a few minutes, unaware of her surroundings. Then, coming to her senses, she forced her eyes open against the pain of an excruciating headache. As her vision cleared, she could make out the figure of a man and woman across the room