About Ashley Dyer
Ashley Dyer is the pseudonym for prize-winning novelist Margaret Murphy working in consultation with policing and forensics expert, Helen Pepper.

Margaret Murphy wrote nine psychological novels under her own name and a trilogy of forensic thrillers as A.D. Garrett, before morphing into Ashley Dyer to begin a new series of serial killer thrillers featuring Detectives Greg Carver and Ruth Lake. She turned to writing after a career teaching biology and later specialized in dyslexia tuition. The founder of Murder Squad, she is a past Chair of the Crime Writers Association, has been shortlisted for the ‘First Blood’ critics award and the CWA Dagger in the Library, and is a Short Story Dagger winner.

Helen Pepper is a Senior Lecturer in Policing and Forensics. She has been an analyst, Forensic Scientist, Scene of Crime Officer, CSI, Crime Scene Manager and Crime Scene Co-ordinator.
As a Crime Scene Investigator, she examined over 10, 000 crime scenes, ranging from thefts and fires to rapes and murders. Later, as a Crime Scene Manager and Co-ordinator for Durham Constabulary, she supervised CSIs in over 50 major incidents. She is a member of the Chartered Society of Forensic Sciences, and has a wealth of experience in the investigation of crime, from simple thefts, to murders and terrorism. An author in her own right, Helen has co-authored, as well as contributed to, professional policing texts. She was a long-serving CWA Non-Fiction Dagger judge and has worked as forensic consultant on several hit television series, including Vera, Shetland, and Bancroft.