"The skull sat on top of an old Stop sign. Someone had painted the surface of the octagon white and written KEEP OUT across it in large jagged letters. A reddish-brown splatter stained the bottom edge, looking suspiciously like dried blood. I leaned closer. Yep, blood. Some hair, too. Human hair. Curran frowned at the sign. "Do you think he's trying to tell us something?" "I don't know. He's being so subtle about it."