Polygraph Examiner

About This Novel

Even the most intimate of people may lie to us, but we know very little about lies. The author of this book, Liu Yi, is a polygraph expert. In his 10 years of experience, he has assisted the police in solving many major and important cases. In the book, she shows us the powerful lie detection technology through 14 personal cases: through micro-expressions, language errors, and even a subconscious body movement, she can identify seemingly seamless lies. Before killing his mother, he first conducted a psychological experiment on a dog; the son-in-law of a wealthy family who went through four rounds of screening was turned into a corpse soon after being selected... Faced with these high-IQ suspects and even abnormal personalities, polygraph expert Liu Yi has a strong knowledge reserve of criminal psychology and behavioral analysis. Wear pulse sensors and electrodermal sensors on them, and then turn on the micro-expression capture device, and a thrilling psychological battle officially begins. This book popularizes 18 kinds of professional knowledge such as criminal psychology, behavioral analysis, and abnormal psychology to the public, and demonstrates powerful lie detection technology; you can read the story of solving the case and learn common sense about lie detection. The higher the IQ of a person, the easier it is to expose his or her lies; men prefer to touch their noses when lying, while women like to touch their necks; the "Pinocchio symptom" of lying: when lying, the blood flow in the nose will increase, making it itchy, and the liar can't help but touch it with his hands; people who often lie will have a "deception pleasure". No matter what kind of emotion they express, the liar will end with an expression with the corners of his mouth raised, similar to an invisible smile, feeling that he has succeeded.

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