Lt. Gary F. Cornelius retired in 2005 from the Fairfax County (VA) Office of the Sheriff, after serving over 27 years in the Fairfax County Adult Detention Center. His prior service in law enforcement included service in the United States Secret Service Uniformed Division. His jail career included assignments in confinement, work release, programs, planning/ policy and classification.
He has taught corrections courses for George Mason University since 1986. He also teaches corrections in service sessions throughout Virginia, and has performed training and consulting for the American Correctional Association, the American Jail Association and the National Institute of Justice.
He has authored several books about corrections including Stressed Out: Strategies for Living and Working in Corrections, The Correctional Officer: A Practical Guide: Third Edition, The American Jail: Cornerstone of Modern Corrections, The Art of the Con: Avoiding Offender Manipulation and The High-Performance Correctional Facility.
Gary received a Distinguished Alumnus Award in Social Science from his alma mater, Edinboro University of Pennsylvania and an Instructor Appreciation Award from George Mason University. He is an independent freelance correctional author and trainer. Gary served on the Board of Directors of the International Association of Correctional Training Personnel (IACTP) representing local adult corrections. He can be reached at adjinstructor@hotmail.com.