New York Polygraph Testing & Lie Detector Examinations

Polygraph Examinations & Lie Detection Testing - New York City, Westchester and Long Island, NY

New York Polygraph Examiners

& Lie Detector Testing

Offices in New York City, Westchester

& Long Island, NY


Call to speak with a certified New York Polygraph Examiner

American Polygraph Association
American Polygraph Association

National Polygraph Association
National Polygraph Association

National Council of Investigative & Security Specialists

National Council of Investigative

& Security Specialists


World Association of Detectives

World Association of Detectives


ASTM International

ASTM International


American College of Forensic Examiners

American College of Forensic Examiners




New York Polygraph Examinations and Lie Detection


InDepth Polygraphs provides professional, confidential polygraph examinations and lie detection testing to businesses, organizations and private individuals throughout the State of New York. Our polygraph testing can be conducted at our offices in New York City and Long Island, or our mobile unit can travel to your home or business, or wherever you need the polygraph examination to take place.


Daniel D. Ribacoff - New York State Polygraph ExaminerInDepth Polygraphs is a division of International Investigative Group (IIG), Ltd., a licensed, professional New York private investigation agency with over two decades of experience. InDepth Polygraphs and IIG are owned and operated by Daniel D. Ribacoff, a veteran private investigator and highly trained New York polygraph examiner with over 22 years of experience. Mr. Ribacoff was named as one of the top 15 Private Investigators in the US.


Daniel D. Ribacoff is an American Polygraph Association (APA) School Trained polygraph examiner, having studied at the Academy for Scientific Investigative Training in Philadelphia, Pennsylvania. This APA Accredited School is owned and operated by Nathan Gordon, the past President of the American Polygraph Association and one of the world’ foremost authorities on polygraphs and forensic interviewing. Daniel strives himself on furthering his own education with all matters relatable to the polygraph. He pursues and implements the latest and most up-to-date technologies and techniques available.


IIG and InDepth Polygraphs have been featured in the New York Times, CNN, CNBC, USA Today, Inside Edition, New York Law Journal, Chicago Tribune and the Baltimore Sun. We are fully licensed, insured and bonded so you can be assured that your polygraph examination will be conducted with the highest level of professionalism and integrity at all times.


At InDepth Polygraphs, we use the latest state-of-the-art polygraph and lie detection testing equipment and our examinations are conducted only by trained, certified and experienced polygraph professionals to ensure accurate results.


When you need the services of a qualified New York polygraph examiner, call the experts at InDepth Polygraphs. Our staff of dedicated professionals will be happy to answer any questions you may have and schedule an appointment for you.


Call to speak with a Polygraph Examiner

Offices in New York City, Westchester and Long Island, NY.

Mobile Polygraph Services Available


InDepth Polygraphs

A Division of International Investigative Group, Ltd.

Licensed, Insured and Bonded


As seen in:

As seen on TV

The Tyra Banks Show, TV Globo,, The Steve Wilkos Show,

Glamour Magazine


All major credit cards accepted for Polygraph Examinations