Skip to main content


Located in the historic city of Charleston, South Carolina, we stand as a beacon of excellence in advancing the field of credibility assessment within the law enforcement and private polygraph industries. Our dedication to pioneering research, cutting-edge training, and the development of state-of-the-art polygraph techniques has elevated us as a premier polygraph school of the southeast. As leaders at the intersection of polygraph examination and law enforcement, we are committed to equipping police professionals and private examiners with the knowledge and tools necessary to enhance investigative processes, applicant screening, and offender monitoring.

Led by experts with extensive experience in the field, our polygraph school sets the standard for excellence in polygraph training. Utilizing both live and Online Courses, our programs cover a comprehensive range of topics, including forensic interviewing, evaluating psycho-physiological responses indicative of deception, use of the polygraph in specialized investigations, and the ethical considerations surrounding polygraph use.

We are committed to staying at the forefront of advancements in polygraph technology and research, ensuring that our courses reflect the latest developments in the field.

Whether you are a seasoned examiner seeking to refine your skills or a newly certified one looking for comprehensive or specialized training, our courses are designed to meet the evolving needs of modern policing. Although we offer Basic Polygraph Certification on a contract basis, our primary focus is on specialized and advanced training designed to meet the challenges of 21st-Century law enforcement. Our programs are crafted to empower professionals with the skills required to navigate the complexities of truth verification in a rapidly changing investigative and administrative landscape.

The Institute of Police Polygraphy is not just a polygraph school; it's a community of dedicated professionals committed to excellence. Whether you are embarking on a new career path or seeking to enhance your existing skills, our polygraph training programs provide a platform for growth, learning, and collaboration. We invite you to join us in our mission to elevate the standards of truth verification and credibility assessment.

At the Institute of Police Polygraphy, we are shaping the future of deception detection in the law enforcement and private credibility assessment communities. Explore our programs, engage with our experts, and be part of a community that values accuracy, integrity, and professionalism. Together, let's advance the science of truth verification and contribute to the ongoing success of modern polygraphy. Welcome to a new era of excellence at the Institute of Police Polygraphy!

Our education programs are recognized and approved by the:

American Association of Police Polygraphists

National Command and Staff College

National Sheriffs' Association

Justice Clearinghouse

Basic Police Polygraphy Certification

This 400-hour (10-week) residency program meets the professional requirements for law enforcement polygraph certification and is open to current, or honorably retired, peace officers, both domestic and foreign. Although designed with the police examiner in mind, private examiners are also encouraged to attend.

This basic polygraph course meets the generally accepted training standards for polygraph certification recognized by the American Association of Police Polygraphists. Applicants in licensed states should consult state licensing regulations before registering.

Tuition: $5200 USD

Continuing Education for Police Examiners

These 40-hour courses address advanced polygraph procedures and specialized testing applications:

Polygraphy for Internal Affairs

Advanced Polygraphy

Tactical Polygraph for ICAC Investigations

Inductive Interviewing

Sex Offender Testing (PCSOT)

Advanced PCSOT

The content of ALL courses meets the American Association of Police Polygraphists standards for continuing education credits.


See Course Descriptions

Online Continuing Education Courses

These courses meet the continuing education needs of the Police Examiner:

Diagnostic Testing with the UTAH Formats

Inductive Interviewing

Police Dynamics 101

More courses coming soon...


See Course Descriptions

Come join us in Charleston for a unique training experience coupled with some genuine Southern hospitality!

Our Facility


Located at the Police Dynamics Training Center in Charleston, SC, our facility offers a student-friendly environment featuring comfortably furnished training rooms and state-of-the-art polygraph equipment.

Our Team

Our school director, Sheriff Ray Nash (ret), brings over 40 years of experience in police leadership and law enforcement training. He is joined by an elite team of dedicated professionals who bring a high-level of expertise to the field.

Our City

Known for its colorful historyyear-round mild climateSouthern cuisine, and polite manners, Charleston offers many opportunities for R&R between training sessions. Join us for a truly unique training experience!