Tag: deception

  • Why Do People Lie?

    Every year I am asked to do a presentation to a law enforcement class about the Polygraph Instrument.  During that class, I talk about lying and explain that lying is something almost every human being has done at one time or another.  Some lies may seem small and harmless, while others can destroy relationships, careers,…

  • How Investigators Build Questions That Expose Lies

    Effective deception detection is not about tricking someone into confessing.  It is about creating the right environment, asking the right questions, and allowing a person’s own words to reveal inconsistencies.  Skilled investigators understand that lies crumble under structure, pressure, and precision.  Because of this, the most powerful interview tool is not confrontation, it is carefully…