Massachusetts Appeals Court July 26, 2018, 17-P-957 (Commonwealth v. Williams)

The defendant, Chester Williams, entered into two plea agreements -- one in 2010, the other in 2011 -- that included drug charges infected by the misconduct of former William A. Hinton State Laboratory Institute (Hinton Lab) chemist Annie Dookhan.2 He moved in Superior Court to vacate his guilty pleas.