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In The News

2024-10-21 | DA Asks for Retests after TBI Fires Forensic Scientist
Still, the firing has led Shelby County District Attorney Steve Mulroy to ask for retesting of evidence originally analyzed by the forensic scientist.

2024-06-07 | A Troubleshooting Guide for Common Issues in STR Analysis
Short Tandem Repeat (STR) analysis is a foundational piece of forensic DNA profiling, offering robust and reliable genetic information for criminal investigations. However, the intricacies of the STR workflow introduce various challenges, potentially compromising the quality and reliability of the results.

2024-03-11 | CBI: Forensic Scientist Manipulated Over 650 Cases
The Colorado Bureau of Investigation (CBI) announced the findings of an internal affairs investigation into a former CBI DNA scientist accused of data manipulation of DNA test results.

2023-11-15 | Challenges and Solutions in the Analysis of Degraded DNA Samples
Successful forensic DNA analysis hinges on the quality of a DNA sample. However, forensic scientists often struggle to analyze degraded DNA, or DNA that has undergone significant damage from factors including environmental conditions, the passage of time or improper storage. Advances in forensic technology have focused heavily on improving the tools available for forensic scientists to assemble high-quality analyses from degraded DNA, typically achieved through short-tandem repeat (STR) analysis via capillary electrophoresis (CE).

2022-11-14 | Two Men Exonerated of Bloody 1989 Murder Accuse Famous Forensic Scientist Henry Lee of ‘Fabricating Evidence’ that Put Them Away for Decades
What looked like a major problem for the state was the fact that neither defendant had even a little bit of blood on them after allegedly slitting the victim’s throat and stabbing him 47 times. There was plenty of blood everywhere else in Carr’s daughter’s house. Thanks to the testimony of Dr. Henry Lee, the state was able to overcome that hurdle. But as it turns out, the lawsuit says, Lee’s testimony was incorrect.

2022-02-10 | DC public defenders seek wider review into fingerprints, firearms evidence
In a Jan. 24 letter, officials with the Federal Public Defender Service and D.C.’s Public Defender Service, said the review of cases involving fingerprints and firearms should go back to at least 1995, which predates the creation of the independent crime lab. At that time, forensic examiners with the D.C. police department handled fingerprints and firearms cases.

2022-01-12 | Scientists ID Genes That Make Your ?Fingerprints
For the study, published Jan. 6 in the journal Cell, the investigators scanned the DNA of more than 23,000 people across ethnic groups. They found that at least 43 regions on the genome are associated with fingerprint patterns. One of the most influential regions appeared to be regulating the expression of a gene called EVI1. This gene is known for its role in embryonic limb development.

2022-01-02 | 21 years served for crime not committed
Video on a case that is a possible insurance scam with no physical evidence linking the suspect.

2021-12-14 | Sweeping report urges DC to review every case handled by firearms, fingerprint units at troubled crime lab
The 157-page report, dated Dec. 8 and completed by forensic consulting firm SNA International, calls for a wholesale restructuring of agency management. The report points to a series of failures across the lab, as well as a deficient quality-management system that failed to fix recurring high-risk problems, and a culture where employees felt they couldn’t speak up about problems.

2021-12-13 | D.C. commits to sweeping post-conviction review after report uncovers breakdowns in city’s forensics arm
The enormous undertaking, which D.C. Mayor Muriel E. Bowser (D) announced in an order Monday evening, will include cases involving the D.C. Department of Forensic Sciences’ firearms examination, latent fingerprint and the digital evidence units. Chris Geldart, deputy mayor for public safety and justice, said he hopes to meet with representatives from the D.C. Public Defender Service, the U.S. attorney’s office for the District of Columbia and the D.C. attorney general’s office, among others, within 10 days.