Andrea Mercer, 33, of the Bronx, was charged with grand larceny Wednesday following an investigation into the theft of the money, said Trooper Steven Nevel.
Mercer, a guest at the casino herself, entered the room of another guest at the casino and stole more than $7,000 from that individual, Nevel said.
Mercer was arraigned remanded to the Sullivan County Jail on $7,500 cash bail.
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