In 2012, Annie Dookhan, was a lab technician at the crime lab. Dookhan was arrested in Boston with charges of obstruction of justice and Perjury. It is said that Dookhan was responsible for testing substances brought in by police that appeared to be an illegal substance. It was noted that her work performance was above the norm by over 50% of her other coworkers. Dookhan was called Superwoman due to her testing over 500 samples in a month while the norm is 150 a month. This raised concern which started an internal investigation. During their investigation, it was determined that Dookhan had tested approximately 60,000 drug evidence samples during her employment in the lab. So far, over 1,400 samples were found to be tainted. After her arrest,