GPN Newsroom
Polygraph Sensor Calibration: How Precision Tuning Improves Test Reliability
Learn how polygraph calibration improves reliability in lie detector tests. Proper tuning of sensors ensures accurate data, valid results, and industry compliance.
Analog vs. Computerized Polygraphs: Comparing Two Generations of Lie Detectors
Compare analog and computerized polygraph machines. Learn which lie detector delivers greater accuracy, reliability, and efficiency in deception testing.
How Law Enforcement Leverages Lie Detector Tests During Investigations
Discover how polygraphs shaped law enforcement, from Father Heslin’s 1921 case to modern investigations, screenings, and workplace probes.
A Guide to U.S. Government Security Clearance Levels and Their Requirements
Learn about U.S. security clearance levels and how polygraph tests support screening, protect classified data, and strengthen national security.
Unpacking the Freudian Slip: What It Reveals About the Human Mind
Uncover the truth now Learn how Freudian slips affect polygraph tests and why speech errors rarely impact lie detector results or reveal deception.
Inside the LEPET: Understanding Law Enforcement Pre-Employment Polygraph Screening
Learn how LEPET polygraph tests boost law enforcement hiring by validating candidates, ensuring security, and uncovering hidden risks in pre-employment screening.
How the Polygraph Shapes Modern Forensic Psychology
Unlock the truth today Explore how polygraph tests and forensic psychology work together to reveal deception and strengthen criminal investigations
Ted Bundy and the Polygraph: Separating Fact From Fiction
Discover the truth about Ted Bundy’s rumored polygraph test. Explore facts, myths, and insights from his trial and associates. Get informed here!
From Ordeals to Oaths: Historical Methods of Lie Detection Across Cultures
Explore the evolution of lie detection from ancient methods to advanced digital polygraph machines with sensor tech for accurate results. Learn more!