The drug lab was once responsible for tests related to more than 40 of criminal cases . ( CNN ) -- Dookhan says Dookhan doctored evidence to change test results at the lab . Lab directors were `` ill-suited '' to oversee her and other lab technicians , the report says . Annie Dookhan , found guilty of multiple charges in the case , was sentenced to prison in years .
The drug lab was once responsible for tests related to more than 40 of criminal cases . Dookhan says Dookhan doctored evidence to change test results at the lab . Lab directors were `` ill-suited '' to oversee her and other lab technicians , the report says . Annie Dookhan , found guilty of multiple charges in the case , was sentenced to prison in years .