Court asked to toss more cases tied to drug lab scandal

Massachusetts' highest court is set to hear arguments in a case sparked by the misconduct of a former chemist who authorities say was high almost every day she worked at a state drug lab for eight years.

The American Civil Liberties Union of Massachusetts and the state's public defender agency will ask the Supreme Judicial Court on Tuesday to order the dismissal of all convictions that relied on evidence from the drug lab during Sonja Farak's tenure.

Prosecutors already have agreed to dismiss thousands of cases tainted by Farak, who pleaded guilty in 2014 to stealing cocaine from the lab and was sentenced to 18 months behind bars.

The ACLU and Committee for Public Counsel Services also are asking the court to establish protocols for instances of misconduct.