She Lies in Wait - Gytha Lodgeová

Six friends. One killer. Who do you trust? Seven friends went down to the woods, but one of them never came home. 30 years later, a body is discovered. DCI Sheens already knows what's waiting for him - Aurora Jackson, found at last. They all claim to be innocent, but one of them must be lying. Because she was found somewhere only they knew about. Now everyone's a suspect.