The bags were found under the rear seat cushion where operator 33-year-old Eugenia Emerson's 5-year-old child was seated.
Police arrested Emerson on charges of trafficking heroin.
Police say they originally stopped Emerson for a marked lane violation and defective equipment. Police issued her a written warning for this violations.
Emerson is due in court in mid-March. She was lodged at the Southern State Correctional Facility for lack of $5,000 bail.
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