Available Courses

Online Training
February 17th

Investigative Interviewing Avoiding False Confessions

Cost: $100

Date: Wednesday February 17, 2021

Time: 1:00pm – 3:00pm EST
2 Hours APA Continuing Education Eligible Credits

Instructor: Mark Handler

Course Description: 

Discuss the difference between Interrogation and Persuasion. Cover potential problems with currently taught confession focused models. We debunk the unassisted human lie-catcher hypothesis.

 Introduce the concept of Investigative Interviewing and the P.E.A.C.E. model. Instruct on integrating time-proven persuasion tactics into the interview process.

Online Training
March 24th

Scoring Not Ignoring 

Cost: $100

Date: Wednesday March 24th, 2021

Time: 1:00pm – 3:00pm EST
2 Hours APA Continuing Education Eligible Credits

Instructor: Skip Webb

Course Description: Scoring not ignoring, for all channels.  Skip will discuss why you should be justifying assigning a 0, instead of justifying assigning a value.  Discussion will include using computer assisted measurements and objective discrimination tools.


Basic Polygraph Examiner

10-Week / 400 Hours
Start Date: June, 2021
Tuition: $12,500 CAD (Food & Accommodations Extra)
More Info

Advanced Polygraph Training

24 to 40 Hours Start Date: To Be Determined  | More Info


Basic Post-Conviction Sex Offender Testing (PCSOT)

20 to 40 Hours
Start Date: To be determined  | More Info

Advanced Post-Conviction Sex Offender Testing (PCSOT)

20 to 40 Hours
Start Date: To Be Determined  | More Info


Hazardous Avoidance Training (H.A.T) Course

8 to 16 Hours
Start Date: To Be Determined  | More Info

Training Recognition

Our professional courses meet or exceed the standards of the American Polygraph Association (APA), the Canadian Association of Police Polygraphists (CAPP), the American Association of Police Polygraphists (AAPP), and the American Society for Testing Materials (ASTM).

Background and Experience

The Backster School of Lie Detection was founded in 1959 by world-renowned polygraph examiner and researcher, Cleve Backster. Cleve’s contributions to polygraph were immense and his legacy lives on today.

In 2017, Limestone Technologies acquired the Backster School of Lie Detection to continue the work of Cleve Backster in polygraph education. Our combined staff of instructors have over one hundred years of polygraph experience and have conducted thousands of polygraph examinations. We have an established instructional team uniquely serving in a Curriculum Provider Board capacity that meets yearly to discuss and refine the most sophisticated instructional methods for course delivery to our students. We are experienced in conducting polygraph courses at our home offices in Kingston, Ontario as well as international locations around the world.


Courses Ran


Examiners Trained


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Years of Operation

Here for you

Phone: 613.507.4660
Fax: 613.634.4098

Backster School of Lie Detection

Limestone Technologies Inc. LimestoneTech.com

Where to find us

2263 Princess St.
Kingston, ON, Canada
K7M 3G1

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