Legislators say they're planning to investigate the mishandling of drug evidence by a former chemist at a now-closed state crime laboratory. House Speaker Robert DeLeo said in a statement Tuesday that lawmakers will try to learn "the full truth" of what happened at the Boston lab. He said they'll also look into what can be done about the resulting crisis and how to prevent similar problems in the future. DeLeo said the House Committee on Post Audit and Oversight and the Legislature's Joint Committee on Public Safety will lead the investigation and make recommendations for legislative action. State authorities haven't released details about what the chemist, Annie Dookhan, allegedly did. But they have said her actions could jeopardize drug convictions and ongoing criminal prosecutions. The investigation prompted Monday's resignation of state health commissioner John Auerbach. (AP)

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