Dustin Marks was born in the 1950s and is known to be one of the most famous insider cheats in the United States. Marks worked at several well-known casinos in Las Vegas during the 70s and in the 80s. During this time he developed different cheating methods in Blackjack and different dealing techniques.
Together with some friends he traveled all over the US for about 10 years time and scammed casinos for millions of dollars - without ever getting caught. In fact, no one would probably ever have known about the cheating if it wasn't for a blackjack book where Dustin Marks writes about his adventures and the people that became aware of his cheating career.
In this book, one can for example read about how a partner would come to his table and place a $100 or a $25 bet. Dustin would signal his partner when he was about to give him/her a high value card, so his partner would know exactly when to make a big bet. This gave them an edge over the casino and it always paid off in the long run. Dustin was so good at false shuffling that different casino managers, who were standing next to him, never suspected anything.