Thousands of Massachusetts drug cases to be dismissed after lab scandal

By Scott MaloneBOSTON (Reuters) - Close to 20,000 Massachusetts criminal drug cases are set to be dismissed because of a scandal involving a former state chemist who admitted faking tests, civil liberties activists and prosecutors said on Tuesday.It will mean the largest number of drug cases tossed out in U.S. history due to one person, according to the American Civil Liberties Union.Rogue chemist Annie Dookhan pleaded guilty in 2013 to tampering with evidence during her nine years working at a