Court records show Cherry had no criminal cases or convictions in Las Vegas, and Cassell said there was no record of arrests.

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Interestingly, in many cases, the only US city visited by some dual citizens is Las Vegas.

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Past cases include Tupac Shakur, the hip-hop artist gunned down in Las Vegas, Nevada, and Wayne Williams, the man convicted in the Atlanta child murders case.

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In many cases, billionaires have essentially paid themselves large bonuses, as was the case with Sheldon Adelson and Las Vegas Sands and Larry Ellison with Oracle.

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In the popular US gambling destination of Atlantic City, New Jersey state law prevents casinos from barring card counters, while in the state of Nevada, home to the quintessential gaming city Las Vegas, no such law exists, so they can ask card counters to stop playing, or in extreme cases, ban them.

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