Introduction to Corrections

David H. McElreath, PhD, has served as professor and chair, Department of Legal Studies, the University of Mississippi; professor and chair, Department of Criminal Justice, Washburn University; associate professor, Southeast Missouri State University; assistant professor, the University of Southern Mississippi; instructor, Itawamba (Mississippi) Community College; colonel, U.S. Marine Corps; and he has held law enforcement and corrections positions with the Oxford (Mississippi) Police and Forrest County (Mississippi) Sheriff's Departments. His education and training include a PhD in adult education and criminal justice, University of Southern Mississippi; an MSS, U.S. Army War College; MCJ, the University of Mississippi; BPA, the University of Mississippi; and he is a graduate of the U.S. Army War College. He is also the author or coauthor of numerous textbooks and publications on the criminal justice and homeland security systems.Linda Keena, PhD, obtained her BCJ (1984) and MS (1991) degrees in criminal justice from Southeast Missouri State University, and her PhD (2006) from the University of Missouri. She is a former State of Missouri adult probation and parole officer and has taught in the Department of Criminal Justice and Sociology at Southeast Missouri State University, and most recently in the legal studies department at the University of Mississippi. She has established a record of scholarly publications that reflects a variety of criminal justice, restorative justice, religion, corrections, and community-based research topics. In addition, she is coauthor and project director for MEDFELS, a nationally recognized methamphetamine program for elementary schools. Dr. Keena is codirector of the Violence Prevention Office at the University of Mississippi, a program funded by the Office on Violence Against Women, U.S. Department of Justice, aimed at educating students and staff about the realities of sexual