John J. Ensminger is a tax attorney and a consultant on regulatory and judicial procedures affecting the functions, rights and protection of skilled dogs and their human handlers.� In collaboration with Tadeusz Jezierski and others, his current research focuses on canine scent identification and criminal prosecution applications.� His publications include: Service and Therapy Dogs in American Society: Science, Law and the Evolution of Canine Caregivers; Money Laundering, Terrorism, and Financial Institutions; the USA Patriot Act Monitor; and contributions on canine legal issues to the Journal of Animal Law, GP Solo: ABA General Practice and Tax Notes.� He graduated from the University… of California, Berkeley, and earned his JD and LLM degrees from Hastings College of the Law and New York University School of Law, respectively.Contributors:Contributors to chapters in the book: Dr. Tadeusz Jezierski , head of the Department of Animal Behavior at the Institute of Genetics and Animal Breeding of the Polish Academy of Science, has published 65 scientific papers, including studies on canine scent detection; John G. Grubbs , president of United States Bomb Dogs, Inc., was for 20 years a law enforcement officer with the Explosives Detection Canine Unit of the U.S. Secret Service, in which capacity he guarded U.S. Presidents, Vice Presidents, and world leaders; L.E. Papet is the Executive Director of K9 Resources, LLC, in Ohio and has developed 170 protocols for training, testing, and deploying canine units.