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Griffin Book

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The Griffin Book is a listing of known or suspected gambling cheaters and advantage players published by Griffin Investigations, a firm that monitors casinos. Those listed may be anyone perceived as a threat to the casino’s profits, including card counters, people who mark cards and those who try to cheat slot machines. The book keeps pictures either obtained from a photo of the individual when caught or from surveillance photos.

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

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