Police say they have not given up on finding the killer of murdered Sheffield woman Dawn Shields, 30 years after her tragic death. Dawn was aged just 19 when she died, her body found in a shallow grave near Mam Tor in the Peak District several days after she had gone missing after being picked up in a car in Broomhall, Sheffield. Her sister, Mandy, has called for police to start the investigation again from scratch, feeling that new avenues needed to be pursued to find the killer. Now police... Read this story