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The Boston Globe

Metro

Ex-state chemist Annie Dookhan pleads not guilty

BROCKTON — A former state chemist accused of faking test results at the Department of Public Health drug lab pleaded not guilty Wednesday to six counts of obstruction of justice, in a scandal that could jeopardize thousands of drug cases.

Annie Dookhan was indicted last month on a total of 27 charges accusing her of fabricating test ­results and tampering with drug evidence while testing substances in criminal cases.

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