Children put on their detective hats as they learn how police and medical examiners solved one of the most famous serial killer cases in the world. Harold Shipman appeared to be a caring doctor. Yet behind his friendly face lurked a deadly serial killer. Children will be amazed to learn how investigators used forensic techniques, such as fingerprint matching and handwriting analysis, to find the hidden clues that helped crack the case—and put an end to the deadly doctor's murders. Serial Killer File is written in a narrative nonfiction format that is intended to grab kids' attention and engage struggling readers. Fact Files on each spread provide a close-up look at the criminal evidence and forensic techniques that were used to solve the crime. Serial Killer File: The Doctor of Death Investigation is part of Bearport's Crime Solvers series.