Disgraced former state chemist Annie Dookhan may have tainted more prosecutions than officials had first estimated. More than 40,000 defendants may have been affected by the chemist's mishandling of ... more 
Disgraced former state chemist Annie Dookhan may have tainted more prosecutions than officials had first estimated. More than 40,000 defendants may have been affected by the chemist's mishandling of samples. less 
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WCVB - Boston
Tue, Aug 20, 2013 6:41 PM EDT