A construction site is no place for teenagers after dark. Oliver and Maddy learn that the hard way when they sneak through a hole in the fence and discover a half-buried yellow backpack. Inside, they find a tiny T-shirt and an old compass before they're chased off the property by a man and his big dog. Oliver and Maddy have no idea that they have just uncovered a key piece of evidence...one that could put their lives in danger. Told in collage format with journal entries, transcripts, newspaper articles and other artifacts, this short thriller recounts a terrifying encounter between Oliver and Maddy and the murderer whose crime they inadvertently uncover. The epub edition of this title is fully accessible.