In January 1999, 79-year-old Constance “Connie” Sheridan and her 56-year-old daughter Janice were found murdered inside their secluded home near Upwell, Norfolk. Surrounded by the dogs they loved, the mother and daughter had lived quietly, until a brutal double murder led the police into the world of dog shows, fingerprints, forensic evidence, and a pale car seen near Pingle Bridge…