Introduction to Law Enforcement (PDF)

David H. McElreath, Ph.D., is a professor and former chair of the Department of Legal Studies at The University of Mississippi. He is a former police officer and retired United States Marine Corps Colonel. He has served as a consultant, including working on projects for the United States Department of State. He is the author of numerous publications on the criminal justice and homeland security systems. He and his wife Leisa live in Mississippi

Daniel Adrian Doss, Ph.D., has served as assistant professor, College of Business Administration, University of West Alabama; assistant professor, Belhaven College; adjunct assistant professor, Embry-Riddle Aeronautical University; and chair of graduate business and management, University of Phoenix (Memphis). His professional career has consisted of software engineering and analytical positions in both the defense and commercial industries.

Carl J. Jensen III, Ph.D., is the director of The University of Mississippi's (UM) Center for Intelligence and Security Studies. He also is a member of UM's Department of Legal Studies and works in an adjunct capacity as a senior behavioral scientist with the RAND Corporation. Dr. Jensen was a special agent with the Federal Bureau of Investigation (FBI) for 22 years. His FBI career included service as a field agent, a forensic examiner in the FBI Laboratory, and an instructor and assistant chief of the Behavioral Science Unit.

Michael Wigginton, Ph.D., has worked as assistant professor of Criminal Justice and director of The University of Mississippi Master of Criminal Justice Executive Cohort Program, Department of Legal Studies, at The University of Mississippi. He is the author of numerous publications on the criminal justice system.

Ralph Kennedy, M.Ed., has served as an instructor of criminal justice at The University of Mississi