This book aims to demonstrate how forensic psychology contributes to police investigations, providing practical information about the type of reports provided by psychologists and behavioural advisers, and set within a broader theoretical context. It asks the question 'What do practitioners actually do when they provide advice for the police and the courts and how do they do it?' The contributors to the book are all experts in the field of offender profiling and behavioural investigative advice. The chapters provide valuable insights into particular case details, the ethical and legal conseque.