2026

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®

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 a written guarantee.