This book prepares the mental health professional to use psychiatric skills when looking for and collecting data in a forensic examination and then apply sound clinical judgment in evaluating that data and presenting the information gathered through a systematic examination. Based on the experience accumulated in the forensic mental health field, and using the studies conducted as well as the narrative reports prepared as a model, this forensic psychiatric handbook can be read as a practical primer for those mental health professionals (MHPs) interested in using psychiatric and psychological understanding in the courtroom. This is a completely new “game” with its own rules and methods. We anticipate mental health professionals finding the concepts introduced in this book immediately helpful for use in their practices. This book presents important topics concerning human behavior and mental disorders, in a light and evocative style that brings forth recollections of past and present medicolegal cases in which mental aspects were or should have been prominent. As you read the cases presented, you become comfortable with the standards of psychiatric and psychotherapeutic practice. You now know what is expected from the expert witness, and how to communicate with the attorney what is at stake, to consider the legal criteria to adhere to, and how to present the basis of our opinions.