Some of Annie Dookhan’s former co-workers are expected to testify publicly for the first time Thursday about the inner workings of the closed Jamaica Plain lab where Dookhan allegedly mishandled evidence, when they are called as prosecution witnesses during the drug possession trial of Shawn Drumgold. Drumgold’s attorney, Rosemary Curran Scapicchio, wanted Dookhan, a chemist at the shuttered lab, to explain why her initials appear on lab notes from three tests done in Drumgold’s case. But Dookhan refused to testify Wednesday.
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