Diary of a Wimpy Kid Wiki

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Diary of a Wimpy Kid Wiki
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The Lie Detector was a device used when the police and Vice Principal Roy wanted to find who "vandalized" the school property. According to Greg, while the police were talking to Mark Ramon, he assumed it was just a photocopier with a "lie detector" label stuck on it. The police, in response pressed a button which printed out a piece of paper that read "He's lying.".[1]

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References[]

  1. Cabin Fever, pages 146-147
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