SigSci Blog

Each summer, Signature Science, LLC welcomes at least one intern to assist with research in our Center for Advanced Genomics (CAG). The research and validations performed at the CAG are shared with the forensic community in the form of open-source software, accessible publications, and conference workshops and presentations, and support... MORE

In October, we sat down with Natalie Collins, Belinda Reyes, and Samantha Guigliemi, analysts in our Forensic Laboratory in Austin, TX. These three share a close friendship that has flourished in their time a Signature Science. We wanted to get them together to chat, pick their brains, and learn about... MORE

Roundtable discussions offered small groups the opportunity to discuss their challenges in the space of FIGG and offer solutions In recent years, Forensic Genetic Genealogy (FGG) has become a primary focus of large forensic conferences as laboratories explore the adoption of the associated technologies and workflows, law enforcement officials eagerly... MORE

Illustration reproduced with minor stylistic changes from the ScienceDirect article titled “Peptide and peptide-based inhibitors of SARS” by Desiree Schütz et. al. which was published under a Creative Commons license. The omicron variant appears to have arisen in Africa, perhaps Botswana, and was first detected by the viral sequencing efforts... MORE

Variability in the amount of DNA deposited by individuals when touching a surface poses a significant hurdle to the evaluation of forensic analysis methods for touch samples. No two human latent fingerprint samples are the same due to the "shedder" status of different individuals as well as other factors including... MORE

For years, investigators have relied on spent shell casings to identify the type of gun used in a crime, but they have believed that those same casings were unlikely to yield DNA that could be used to identify the shooter. It’s time for some new thinking about spent shell casings... MORE

Ensuring the quality of mission response now and into the future Always Ready, Always ThereAn ISO 17025 Accreditation SolutionProgram Highlight: Proficiency TestingProgram Updates: A Smooth Transition In 2006, the National Guard Bureau (NGB) launched an initiative to pursue ISO 17025 accreditation for the Weapons of Mass Destruction‒Civil Support Team (WMD-CST)... MORE

Fentanyl and its analogues present identification challenges for first responders Fentanyl and its analogues are more frequently making their way into common street drugs, adding a new dimension of danger to even incidental exposure to these substances. Fentanyls are increasingly being added to heroin and other illicit drugs because they... MORE

The Transportation Security Administration (TSA) has an interest in streamlining their acquisition process for new detection technologies. Manufacturers of detection technologies desire to get their products to market as fast as possible while also ensuring that equipment meets the TSA’s detection requirements. External testing (i.e. testing performed by third party... MORE