Massachusetts Drug Lab

January 20, 2013 - 7:32 PM
This undated photo provided by the Massachusetts Attorney General's office shows Sonja Farak. Farak a chemist at a state crime lab tampered with drug evidence, authorities said Sunday, Jan. 20, 2013 in Massachusetts, where another chemist at a different lab was accused last year of faking test results in a scandal that threw thousands of criminal cases into question. (AP Photo/Massachusetts Attorney General)