The chemist at the center of a Massachusetts drug-testing lab scandal refused to testify Wednesday in a drug case against a Boston man who once spent 15 years in prison for the slaying of a ... more 
The chemist at the center of a Massachusetts drug-testing lab scandal refused to testify Wednesday in a drug case against a Boston man who once spent 15 years in prison for the slaying of a 12-year-old girl he says he did not commit. less 
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WCVB - Boston
Wed, Oct 10, 2012 7:05 PM EDT