PELL CITY, ALA.Authorities say drivers in St. Clair and Bibb counties were stopped at roadblocks in the area and were asked to give DNA and blood samples as part of a study.
Officials say giving samples was voluntary and participants were paid $10 for mouth swabs and $50 for blood samples.
St. Clair County Sheriff's Lt. Freddie Turrentine tells The Birmingham News authorities were helping with a study by the Pacific Institute for Research and Evaluation in partnership with the National Highway Safety Administration.
Authorities say off-duty deputies and fire officials stopped cars in Pell City and throughout Bibb County Friday and Saturday.
Turrentine says the samples were anonymous, and the study w
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