eve that our government and law enforcement agencies can protect us from crime and terrorism, our safety is not completely assured. Certainly we cannot take the law into our own hands, but we can use legal preventative measures to protect ourselves, our families, our businesses, and our assets. Surveillance detection (SD) is a technique that has been around for a long time and is now being revitalized and implemented worldwide for the war against terror. Our book explores the ways in which people from all walks of life can use SD as a viable preventative measure for the threats against them. Regardless if you are a housewife who is a victim of domestic violence or a contractor riding in a convoy in Iraq, this book will help you learn to protect yourself. If you are a corporation that has become a symbolic target for terrorists or an industrial facility with hazardous materials, this book will show you how to use surveillance detection to protect your property and personnel. The majority of criminals and terrorists intent on carrying out any type of crime or attack have an Achilles heel that we can exploit; they (or someone associated with them) must go out and conduct surveillance on their target in order to develop a successful plan of attack. Using surveillance detection allows us to intercept them at this early stage in order to prevent the crime or attack. We believe that the more widespread the use of surveillance detection becomes, the safer our world will be.