This title is a unique one-stop guide to all the processes and actions involved in conducting major investigations. In a clear and understandable fashion, it explains all the processes, procedures and instructions integral to the role of SIO. A portable and accessible point of reference, the Handbook encompasses all the vital elements for mounting successful investigations: it condenses ACPO guidance, core doctrines, legislation, and procedures into one volume along with practical advice, cases and checklists for each stage of the investigation. Case studies are supplemented with explanations and important procedures and processes interwoven with examples to provide context to the procedures outlined. References to additional sources of information and guidance are provided throughout. The Handbook takes the reader through all the stages relevant to the role of an SIO including: initial response; crime scene assessment; evidence gathering; dealing with suspects; and liaising with the media. It also provides guidance on handling non-homicide major enquiries such as missing persons and infant deaths.This title is aimed at anyone who conducts, reviews or has a professional interest in major crime investigations, particularly homicide. It will also be of interest to those who perform call-out duties or are expected to take command and control of such incidents, making vital early decisions. It is a must have reference tool for any SIO (or prospective SIO) whether they be at beginner, intermediate or advanced level.