National Accreditation Board Suspends All DNA Testing at D.C. Crime Lab
By Keith L. Alexander,
Washington Post
| 04. 27. 2015
Untitled Document
One of the national organizations that govern DNA laboratories has ordered the District’s new crime lab to immediately suspend all DNA casework after concluding that the lab’s procedures are “insufficient and inadequate.”
D.C. Mayor Muriel E. Bowser ordered the audit by the ANSI-ASQ National Accreditation Board last month after the U.S. attorney’s office said it had discovered numerous errors in some of the lab’s DNA analyses. The audit, which was published Friday, criticized the lab’s practices and said they were not in compliance with FBI standards. It ordered “at a minimum” the revalidation of test procedures, new interpretation guidelines for DNA mixture cases, additional training and competency testing of staff.
The DNA analysts at the District’s Department of Forensic Sciences, according to the audit, “were not competent and were using inadequate procedures.” The authors of the review said the lab must begin to address the concerns within 30 days.
Legal experts say the audit could trigger a further investigation of hundreds of District criminal cases — including murder, sexual assault and gun possession cases — that have involved...
Related Articles
By Nicholas Wade, The New York Times | 04.30.2026
“J. Craig Venter” via Wikimedia Commons licensed under CC by 2.5
J. Craig Venter, a scientist and entrepreneur who raced to decode the human genome, died on Wednesday in San Diego. He was 79.
His death was announced by...
By Jonathan Basile, Los Ángeles Review of Books | 04.29.2026
WILLIAM BATESON, a foundational figure in the science of genetics at the turn of the last century, once recounted the response of a Scottish soldier to one of his public lectures: “Sir, what ye’re telling us is nothing but Scientific...
By Alex Aylward, Daniel J. Fairbanks, Maria Kiladi, and Gregory Radick , Heredity | 04.20.2026
Genetics and eugenics co-evolved at the beginning of the twentieth century and remained associated through the 1940s and beyond. Early geneticists were far from unanimous in their views on eugenics; some avidly supported the movement, whereas others openly opposed it...
By Staff, GMWatch | 03.28.2026
Following a recent podcast interview we were asked whether there is any solid scientific research looking at how gene expression or molecular composition in genetically modified (GM) plants differs from conventionally bred plants. As this is an interesting and important...