Experts are usually able to correctly identify people who are known to be innocent using the results from lie detector tests, but they are less accurate when it comes to correctly identifying people known to be guilty.

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Lie detector tests, or polygraph tests, measure physiological responses that are believed to be indicators of stress or deception. However, these tests are not reliably accurate for either proving innocence or guilt. Experts cannot consistently identify innocent or guilty individuals solely based on lie detector results due to the high potential for false positives and false negatives.

Experts Are Usually Able to Correctly Identify People Who Are