This book is an indispensable reference to current investigatory best practice for the purposes of enforcement in criminal and civil cases. This book presents the separate stages of investigation in the order in which you are most likely to require them, helping you to quickly and easily consult. In an easy-to-use guide, we will study the origin of law, our current system of law, and how this law is implemented at any given stage of an investigation. It also includes a list of various investigation and enforcement job roles. It is great for anyone wanting a job in investigations or enforcement or for those who want a career move. The easy to follow stages and check sheets make it a great reference guide for any experienced officer.