Ashley Dyer is the pseudonym for novelist Margaret Murphy working in consultation with policing and forensics expert, Helen Pepper. Margaret Murphy is a Writing Fellow and Reading Round Lector for the Royal Literary Fund, a past Chair of the Crime Writers Association (CWA), and founder of Murder Squad. A CWA Short Story Dagger winner, she has been shortlisted for the First Blood critics' award for crime fiction as well as the CWA Dagger in the Library. She has written novels under her own name, and as A.D. Garrett.Helen Pepper is a Senior Lecturer in Policing. She has been an analyst, Forensic Scientist, Scene of Crime Officer, CSI, and Crime Scene Manager, and has co-authored, as well as contributed to, professional policing texts. Her expertise is in great demand with crime writers: she is a judge for the CWA's Non-Fiction Dagger award, and is Forensic Consultant on both the Vera and Shetland television series.Twitter: @AshleyDyer2017Website: Ashley-Dyer.com

A taut and compelling thriller, as sharp as the thorns that feature in the plot.

Ashley Dyer is the pseudonym for novelist Margaret Murphy working in consultation with policing and forensics expert, Helen Pepper. Margaret Murphy is a Writing Fellow and Reading Round Lector for the Royal Literary Fund, a past Chair of the Crime Writers Association (CWA), and founder of Murder Squad. A CWA Short Story Dagger winner, she has been shortlisted for the First Blood critics' award for crime fiction as well as the CWA Dagger in the Library. She has written novels under her own name, and as A.D. Garrett.Helen Pepper is a Senior Lecturer in Policing. She has been an analyst, Forensic Scientist, Scene of Crime Officer, CSI, and Crime Scene Manager, and has co-authored, as well as contributed to, professional policing texts. Her expertise is in great demand with crime writers: she is a judge for the CWA's Non-Fiction Dagger award, and is Forensic Consultant on both the Vera and Shetland television series.Twitter: @AshleyDyer2017Website: Ashley-Dyer.com

A taut and compelling thriller, as sharp as the thorns that feature in the plot.

Ashley Dyer is the pseudonym for novelist Margaret Murphy working in consultation with policing and forensics expert, Helen Pepper. Margaret Murphy is a Writing Fellow and Reading Round Lector for the Royal Literary Fund, a past Chair of the Crime Writers Association (CWA), and founder of Murder Squad. A CWA Short Story Dagger winner, she has been shortlisted for the First Blood critics' award for crime fiction as well as the CWA Dagger in the Library. She has written novels under her own name, and as A.D. Garrett.Helen Pepper is a Senior Lecturer in Policing. She has been an analyst, Forensic Scientist, Scene of Crime Officer, CSI, and Crime Scene Manager, and has co-authored, as well as contributed to, professional policing texts. Her expertise is in great demand with crime writers: she is a judge for the CWA's Non-Fiction Dagger award, and is Forensic Consultant on both the Vera and Shetland television series.Twitter: @AshleyDyer2017Website: Ashley-Dyer.com

A taut and compelling thriller, as sharp as the thorns that feature in the plot.