The content within Mortal Desire includes descriptions of atrocious crimes against humanity. By exploring why these crimes occur, we, as a society, can work together to help reduce the situations that can lead a person down the path toward violent crime. As uncomfortable as it may be, it is essential that we evaluate the motivation and desires of those committing these atrocities. Just by turning on the news, we are faced with a world of heinous crime that is incomprehensible to the vast majority of us. Inside the mind of a serial killer, a drastically different thought pattern and method of rationalization are at work. Often times, these thought patterns are void of guilt or remorse. To understand how these horrible acts happen, understanding the mind of a killer is essential. Dr. Lawrence J. Simon received his doctorate in clinical psychology with a concentration in Forensic Psychology from Carlos Albizu University in Miami, Florida and is a diplomat and certified Sexologist of the American Board of Sexology. Throughout his career Dr. Simon has completed research on hundreds of violent offenders. His research included understanding the personality differences among the most cold-blooded killers. Dr. Simon has also worked with law enforcement and legal staff on numerous cases. Dr. Simon's experience makes Mortal Desire a well-researched and informative glimpse into the thought progression of humanity's most heinous minds. In his book Mortal Desire, Dr. Simon intricately intertwines examples with scientific explorations and mental health terminology. The reader is astounded by the depth of knowledge contained in this book. The nature of sexual deviance, the incredibly flawed reasoning behind despicable crimes, and the components that make up a criminal mind take front stage and are tackled in a concise yet thorough way.