A decade-old scandal at a Massachusetts crime lab — which led authorities to dismiss tens of thousands of drug convictions — may involve wrongdoing by more people than was previously known, according to a recent court order. At least one person was referred to the state attorney general’s office in 2015 for potential prosecution, Judge John T. Lu wrote last week. The ruling stokes lingering doubts about statements by the state inspector general’s office over the past eight years that Dookhan was the “sole bad actor” at the Hinton lab. Bizuayehu Tesfaye / APDookhan’s misconduct at the Hinton lab was exposed in 2012, after she had worked there for nearly a decade. A spokesman for the inspector general’s office declined to comment, citing ongoing litigation.

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