Skill

Lie Detection

Legal and Compliance

Lie detection encompasses techniques and technologies used to assess the truthfulness of statements, ranging from polygraph examinations that measure physiological responses like heart rate and skin conductivity to behavioral analysis methods that examine verbal cues, microexpressions, and body language. It is used in fields like law enforcement, forensic psychology, national security screening, and corporate investigations, though the scientific validity of many methods (especially polygraphs) remains contested and their results are often inadmissible as courtroom evidence in the U.S. Practitioners such as interrogators and forensic psychologists may receive specialized training in interview and detection techniques.

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