Dexter's Polygraph Services is owned and operated by Nadia Dexter (Certified Polygraphist and member of the American Association of Police Polygraphists and the Ohio Association of Polygraph Examiners). We provide professional, consistent, and unbiased polygraph services supported by validated test results.
Types of polygraphs we conduct:
Employment Screenings: For employment purposes an in-depth interview will be conducted during the pre-test portion of the polygraph. A post-test polygraph is also offered based on the agencies' needs.
Criminal Investigations: For criminal purposes an in-depth interview will be conducted in either English or Spanish.
Attorney Requested: An in-depth interview will be conducted in either English or Spanish.
Bi-lingual Polygraphs: Dexter's Polygraph Services is the only polygraph service in the Dayton area to offer bi-lingual services.
Dexter's Polygraph Services is conveniently located in Dayton right off I-75 at the intersection of Benchwood Ave and N. Dixie Drive (in the State Farm building). Upon request, we can provide onsite examinations at your location.
 
Nadia has 25 years of law enforcement experience.
Eight as a Military Police Officer in the United States Army with the highest rank achieved of Sergeant, E-5.
Seventeen as an Officer/Detective with the Centerville, Ohio Police Department.
She has conducted approximately 700 polygraphs for the Tactical Crime Suppression Unit (TCSU) and for various agencies throughout the State of Ohio.
Years as Certified Polygraphist
Years as Police Officer/Detective
Years as Military Police Officer
Polygraphs for TCSU and Ohio Agencies
Dexter's Polygraph Services, LLC are fully insured by Complete Equity Market.