Professor Bernard Knight, CBE, became a Home Office Pathologist in 1965 and was appointed Professor of Forensic Pathology, University of Wales College of Medicine, in 1980. During his 40-year career with the Home Office, he performed over 25,000 autopsies, and was involved in many high profile cases, including that of Fred and Rose West, and the child killer, Mary Bell. The author of numerous popular and academic non-fiction books, he has written thirteen novels in the Crowner John mystery series. Professor Knight lives in Cardiff.