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Darryl L. DeBow



Darryl DeBow is the owner of Northern Virginia Pre-Employment & Polygraph Services and the Director of the Virginia School of Polygraph. He previously served as Deputy Sheriff with the Loudoun County Sheriff's Office, where he retired as a sergeant in 1995. Mr. DeBow continued working in law enforcement between 1996 until 2008 with Arlington County Sheriff's Office and left at the rank of Lieutenant. In 2011, he was made an honorary Deputy Sheriff for the Laurens County Sheriff's Office in Georgia after training their first examiner who went on to establish the agency’s first ever polygraph program. Mr. DeBow received his bachelor’s in criminal justice.


Prior to acquiring it himself, Mr. DeBow graduated from the Virginia School of Polygraph in 1995 during its ownership by the founder and former Director of the school Billy Franklin and is also a graduate of the prestigious FBI Advanced Polygraph Training Program. Mr. DeBow has also served as a board member of the Department of Professional Occupational Regulation- the polygraph licensing agency for the State of Virginia. During his career, he has received numerous honors, such as the highest award given by the Loudoun County Board of Supervisor, the Loudoun County Merit Award, for his work as a criminal investigator, as well as valor awards for Bravery in the Line of Duty and the Lifesaving and Unit Valor Award for his actions as a member of the Loudoun County Special Emergency Response Team. He was also honored by the Washington Federal Bar Association for his overall professionalism and dedication as a Law Enforcement Officer, which was presented by former United States Attorney General Janet Reno.


Mr. DeBow has lectured on the general field of polygraph as well as the use of polygraph in Post-Conviction Sex Offender Testing, which he specializes in today, and is a primary instructor for examiners going into this specialized area of polygraph. He has been an instructor and guest lecturer for a variety of organizations including The Virginia Public Defender's Annual Conference, The Federal Probation and Parole Annual Conference, Marymount University's Forensic Psychology Master’s Program, where he was an adjunct professor, various courses for Northern Virginia Community College's Administration of Justice Program and a number other organizations. Additionally, he is a Certified Clinical Examiner in Post-Conviction Sex Offender Testing and a Certified Forensic Law Enforcement Polygraph Examiner.


In addition to his role as owner and Director of the Virginia School of Polygraph, Mr. DeBow is certified by the American Polygraph Association as the Primary Instructor for the school and has instructed in every basic and advanced course offered by the Virginia School of Polygraph since he purchased the school in 2003, where he has since trained law enforcement examiners from across the United States and abroad as well as private examiners going into the field of polygraph.

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