What is Griffin Book?
1.
published by Griffin Investigations and containing photos, listed individuals are generally suspected of being, or known to be, either advantage players or outright cheaters at casino games. These individuals are perceived as a threat to a casino's profits and include those who use leal and illegal means including card counters, card markers, and those who attempt to cheat slot machines.
The Cooker: "damn, that dude bettin all that cash just got kicked out of the casino."
Pete Dick: "must be in the Griffin Book."
See
