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The Boston Globe

Metro

Patrick picks investigator in drug-evidence scandal

Governor Deval Patrick named a prominent former prosecutor Thursday to lead a team of law enforcement officials and defense lawyers marshalled to investigate fears of widespread tampering at a state drug laboratory.

That announcement came shortly ­before two men were freed from prison because of concerns that evidence in their cases may have been tainted at the Jamaica Plain lab by a chemist who handled 60,000 drug samples during nine years.

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