The agency says officers noticed that the wheels on a woman's wheelchair were not turning.
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As they interviewed her, they x-rayed the wheelchair and noticed that something was off inside the wheels.
A sample revealed a white powder that tested positive for cocaine.
The roughly 28 lbs. of cocaine that was seized has an estimated street value of $450,000.
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The passenger, Emelinda Paulino De Rivas of the Dominican Republic, was arrested for the importation of a controlled substance and was turned over to Homeland Security Investigations.