A single-source textbook for ethics and ethical decision making as it relates to government service, this book discusses issues affecting service within the areas of homeland security, forensic science, and emergency services at the local, county, state, and federal levels. It addresses challenges faced by today's public service professionals and administrators with regards to incorporating ethics within daily decisions, discretion, and duties. Updated via website, case studies include examples in CSI, forensic science, policing, interrogation, homeland security, disaster relief, medico-legal investigations, public administration, and defense, and prosecution.