Lie Detector - PowerPoint PPT Presentation

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Lie Detector

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It's uses are it's used in police interrogation and ... Did you know that the polygraph's (lie detector's) test results can not be used in court? THE END ... – PowerPoint PPT presentation

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Title: Lie Detector


1
Lie Detector
By Lisa Zahray
2
A lie detector is a machine that can tell if a
person is lying or not.
3
John Larson invented the lie detector in 1921.
4
Its uses are its used in police interrogation
and investigation since 1924,and other people use
it to tell if a persons lying or not.
5
Now it is no mystery if someones lying or not.
6
Did you know that the polygraphs (lie
detectors) test results can not be used in court?
7
THE END
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