
Polygraph examiners
A polygraph examiner is a trained professional who administers lie detector tests to assess the truthfulness of individuals. They operate specialized equipment that measures physiological responses—such as heart rate, blood pressure, respiration, and skin conductivity—while the person answers questions. The examiner carefully prepares and asks relevant questions, then analyzes the data to identify potential signs of deception. Their goal is to assist in investigations or assessments by providing insights into whether someone’s statements are truthful based on their physiological responses.