The darkness of the night was deepened by the fact that a storm was raging outside and the sky was cloudy. Detective John Doe stood in the gloom of his office and looked out the window, where he could see the rain falling on the street below him. It had been weeks since he had made any progress on the case, and he was beginning to lose hope that anything would turn out okay. He was frustrated that he had not been able to make any headway.