2026

Polygraph Data

How Polygraph Data Is Stored, Secured, And Used: Privacy Standards Every Client Should Know 

Many clients have been there!  
You enlist the services of a certified polygraph examiner. The polygrapher goes ahead to conduct a rigorous lie detector test, taking extreme caution to comply with the industry standards.

How Polygraph Data Is Stored, Secured, And Used: Privacy Standards Every Client Should Know  Read More »

Many clients have been there!  
You enlist the services of a certified polygraph examiner. The polygrapher goes ahead to conduct a rigorous lie detector test, taking extreme caution to comply with the industry standards.

Polygraph Tests Prevent Wrongful Accusations

When Polygraph Tests Prevent Wrongful Accusations: Real-World Scenarios And Lessons 

There is hardly a worse feeling than to have to contend with the accusation of an action you did not commit. Whether the accusation is made at the workplace, in a family, or in a court of law, the harm may have been done way before the truth is known.

When Polygraph Tests Prevent Wrongful Accusations: Real-World Scenarios And Lessons  Read More »

There is hardly a worse feeling than to have to contend with the accusation of an action you did not commit. Whether the accusation is made at the workplace, in a family, or in a court of law, the harm may have been done way before the truth is known.

Mechanics of Pneumographs

Mechanics of Pneumographs: How Breathing Patterns Influence Polygraph Data

Pneumographs are an essential polygraph accessory, working alongside other attachments to collect vital physiological data during lie detector tests. Understanding their mechanics is critical in conducting a credible polygraph exam.

Mechanics of Pneumographs: How Breathing Patterns Influence Polygraph Data Read More »

Pneumographs are an essential polygraph accessory, working alongside other attachments to collect vital physiological data during lie detector tests. Understanding their mechanics is critical in conducting a credible polygraph exam.

polygraph examinations

Why Polygraph Examinations Require Case-Specific Test Formats Instead Of One-Size-Fits-All Methods 

The polygraph has gradually grown into a widely used investigative tool, assisting examiners in assessing credibility and supporting investigative processes. 

Why Polygraph Examinations Require Case-Specific Test Formats Instead Of One-Size-Fits-All Methods  Read More »

The polygraph has gradually grown into a widely used investigative tool, assisting examiners in assessing credibility and supporting investigative processes. 

How Examiners Determine Whether a Case Is Suitable For Polygraph Testing

How Examiners Determine Whether a Case Is Suitable For Polygraph Testing 

Polygraphs have been used for decades to support investigative processes. While not 100% fool-proof, mounting research and professional standards issued by bodies such as the American Polygraph Association (APA)

How Examiners Determine Whether a Case Is Suitable For Polygraph Testing  Read More »

Polygraphs have been used for decades to support investigative processes. While not 100% fool-proof, mounting research and professional standards issued by bodies such as the American Polygraph Association (APA)

GLOBAL POLYGRAPH NETWORK®

worldwide Established in 1987, Global Polygraph Network® is the world’s largest and most trusted provider of polygraph services, with lie detector testing available worldwide at over 500 locations by highly-trained experts. Avoid “discount” polygraph frauds and “over the phone” testing scams. We only provide real polygraphs by real examiners. Trust our A+ BBB rating, up-front pricing, and written guarantee.