Forensic science(often shortened to forensics) is the application of a broad spectrum of sciences to answer questions of interest to the legal system.  Aaron Elkins' Gideon Oliver is a forensic anthropologist, Eve Duncan featured in Iris Johansen's books is a forensic sculptor. Kathryn Fox has a new series featuring pathologist and forensic physician, Dr. Anya Crichton. Erin Hart's stories are set in Ireland but feature an American forensic pathologist, Nora Gavin. G. H. Eprhon's mysteries are investigated by  Dr. Peter Zak is a forensic neuropsychologist.