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  • Aired: 07/12/2010
  • 18:34
  • Rating: TV-G
Our contributor thinks his great-grandfather was a World War I spy, he has a notebook he believes details the investigations. Inside the book are typed entries and handwritten notes. Who was John H. Brady and is this his spybook? History Detectives tracks down the secrets of this mysterious little black book.
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What does this little black book reveal about spying on the home front during World War I?
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