"'Stunning' Drug Lab Scandal Could Overturn 23,000 Convictions"
"She worked at the William A. Hinton State Laboratory Institute in Boston for nearly a decade before her misconduct was exposed in 2012. She admitted to tampering with evidence, forging test results and lying about it. "
https://www.nbcnews.com/news/us-news/stunning-drug-lab-scand...