No, lie detectors were not used at Ellis Island. The primary method for assessing the truthfulness of immigrants during inspections involved thorough questioning by officials rather than any mechanical device. Inspectors relied on their training and experience to evaluate applicants' responses and detect inconsistencies. The polygraph, commonly known as a lie detector, was developed later, in the early 20th century.
Just tell the truth.
Answer truthfully on the lie detector test.
A lie detector cannot be used in court. On rare occasions it can be used as an investigation tool. Check with an attorney.
Polymorph is used as a lie detector.
Polymorph is used as a lie detector.
Lie detector
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There was a wellknown lawyer who played in a TV series that always used a lie detector in the courtroom. This is what I am trying to find out. Who was the lawyer? The series was in the 1970's.
Lie detectors are used in law and legal issues to try to determine if someone is telling the truth or not.
California
yes people can it actually detects how nervous u are not really a lie detector
A lie detector test follows you pulse, if you are asked a question and your heart rate rises or falls then it will be a lie. If you can regulate your pulse you cannot be detected on a lie detector