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The casino didn’t always call out to Denise Miley.

At most, she and her husband, Brad, would drive over to the Mystic Lake Casino Hotel, just outside Minneapolis, a few times a year.

Then, in the fall of 2014, she got an itch to go more often. She’d ride her bike the 35 miles down to the casino and ask her husband to pick her up. It was just exercise, she’d tell him. Sometimes she would start driving to the office where she worked as an accountant. But when the freeway split off, she’d peel south and head to the slots.