Passers-by approach the William A. Hinton State Laboratory Institute, which houses the Massachusetts state drug lab, in the Jamaica Plain neighborhood of Boston, Thursday, Sept. 27, 2012. Documents ... more 
Passers-by approach the William A. Hinton State Laboratory Institute, which houses the Massachusetts state drug lab, in the Jamaica Plain neighborhood of Boston, Thursday, Sept. 27, 2012. Documents revealed Wednesday that a crime lab chemist, whose work has thrown thousands of prosecutions into question, spend years faking results. (AP Photo/Steven Senne) less 
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Associated Press | Photo By Steven Senne
Fri, Sep 28, 2012 11:56 AM EDT