Just Science

In this Forensic Science Week special episode, Just Science interviews Brett Williams, the CEO of Verogen, about the GEDmatch database, how it can be used by law enforcement to perform forensic genealogy searches for investigative leads, and the short- and long-term plans Verogen has for the widely used database and related services. Verogen is a spin-off of the Illumina corporation and has grown to be an innovator in the realm of forensic genomic technologies. Since their inception, Verogen has evolved from forensic applications to focus on biometrics-based human identification, as a whole. Following this vision, in December of 2019 Verogen acquired GEDmatch, a crowd-sourced database used by millions of genealogy enthusiasts to trace their family trees, but more recently it has been adopted by law enforcement to aid in cold case investigations. Listen along with our guest host, Donia Slack, as she and Brett Williams discuss the impact that genetic genealogy and GEDmatch have had on the criminal justic

In episode eight, Just Science interviews Dr. Kathryn Seigfried-Spellar from Purdue University about the impact of disturbing media on forensic professionals. Repeated exposure to violent and graphic media can have long-term negative effects on digital forensic examiners. Dr. Kathryn Seigfried-Spellar is researching the connection between disturbing media and the examiners who analyze it every day. Listen along as she discusses digital forensic examiners and the impact of disturbing media in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In episode seven, Just Science interviews Dr. Catalin Grigoras and Cole Whitecotton from the National Center for Media Forensics about deepfakes. Deepfakes are a form of synthetic media that replaces an existing image with someone else’s likeness. While relatively new, deepfake technology has grown in sophistication over the last few years. In some cases, the synthetic image is almost indiscernible from the person that it is imitating, which can create a lot of problems for forensic analysts. Dr. Catalin Grigoras and Cole Whitecotton are working to understand and combat deepfakes. Listen along as they discuss the capability, implications, and the future of deepfake technology in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In episode six, Just Science interviews Barbara Guttman from the National Institute of Standards and Technology about the first large-scale black box study to test the accuracy of computer and mobile phone forensics. In forensic science, black box studies are used to measure the reliability of methods and techniques that rely on human interpretation. Barbara Guttman and her team at NIST are working to measure the overall competency of the digital forensics community at large by releasing an open-enrollment online test available to interested forensic scientists. Listen along as she discusses the parameters of the test, the expected results, and the value of the study in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In episode five, Just Science interviews Matt Ruddell from Florida International University about their efforts to develop forensic education and training programs at FIU. The National Forensic Science Technology Center at Florida International University offers a variety of courses, consulting, and training geared toward forensic scientists. Matt Ruddell and the rest of the faculty at FIU are working to develop accessible programs for law enforcement, military personnel, and now – undergraduate students. Listen along as he discusses the development of digital forensics courses and his experience in the university system in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In episode four, Just Science interviews Paul Reedy, Owner of 4th Street Global, a digital forensics and cyber security consulting firm, about data stories and the future of digital evidence. Rapidly changing technology can complicate the analysis of digital evidence. As such, it is imperative that researchers and investigators work to stay on the cutting edge of the digital world. Paul Reedy believes that being proactive when it comes to the development of new digital evidence technologies will help investigators keep up with criminals. Listen along as he discusses tool validation, data stories, and the ever-evolving landscape of digital evidence in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In episode three, Just Science interviews Martin Novak, a Computer Scientist with the National Institute of Justice, about digital evidence in the United States Court of Appeals. Digital evidence has the capacity to identify suspects, win acquittals, and obtain convictions. Whether through cars, smart homes, cell phones, personal computers, or a myriad of other devices, analysts are able to collect a staggering amount of data during the investigation of a crime. Martin Novak is currently studying the application of digital evidence in the courtroom. Listen along as he discusses cases, his current research goals, and the role of digital evidence in the Court of Appeals in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In episode two, Just Science interviews Nicolas Hughes, assistant public defender with the Harris County Public Defender’s Office in Houston, TX, about the validation of tools utilized by digital forensics laboratories. Many forensic laboratories face overwhelming caseloads; digital forensic labs are no exception. The diversity and complexity of devices that can be used as digital evidence continues to be a dynamic problem. From malware scanners to cell phones to smart homes, digital evidence can be a pivotal piece of the puzzle when investigating crimes. Nicolas Hughes is uniquely poised to drive better practices within the digital forensic discipline. He blends his background in computer engineering and law to better understand problems of inaccuracy and misinterpretation. Listen along as he discusses digital security, the value of a skilled technician, and the validation of digital forensics tools in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Te

While the realm of digital evidence is still relatively new, it requires validation and testing like all forensic disciplines. Digital evidence is a dynamic discipline that can often provide greater insight into the investigation of a crime or the defense of the alleged perpetrator. In this season of Just Science, we will be covering the history and interpretation of digital evidence, emerging technologies used in investigation and as evidence, and the validation of digital forensic tools. In episode one, Just Science interviews Paul Reedy, owner of 4th Street Global, a digital evidence consulting firm, about the history and evolution of digital evidence. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

afj2gv6x In this special release episode of Just Science, we sat down with Ashley Church and Erin West, founders of Gap Science, to discuss stress and resiliency in crime scene investigators. Traumatic death investigation can have adverse, long-term effects on crime scene analysts. As Ashley Church and Erin West moved through their respective careers, they noticed a lack of training around protecting the psychological well-being of forensic scientists. Gap Science is working to fill this void in knowledge and address the challenges that investigators are experiencing every day. Listen along as our guests discuss compassion fatigue, the supervisor's role in protecting their people, and the impact of violent crime scenes on forensic scientists in this episode of Just Science. This episode is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In episode seven of the 2020 R&D Season, Just Science interviews Kimberly Sturk-Andreaggi, a Research Scientist at the Armed Forces DNA Identification Laboratory, about the development of entire mitogenome reference data using an automated high-throughput sequencing workflow. Disaster victim identification comes with a unique set of hurdles. Poor-quality DNA, decades-old samples, and a lack of relative referential data can make the identification of victims from current and past conflicts challenging. This is the reason that the Armed Forces DNA Identification Laboratory uses mitochondrial DNA as their primary testing method. Stay tuned as our guest discusses the utility of mitochondrial DNA and a method for developing entire mitogenome reference data in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In this episode of the 2020 R&D Season, Just Science interviews Dr. José Almirall, Professor of Chemistry and Biochemistry at Florida International University, about a statistical approach for the interpretation of glass evidence. One criticism levied against trace evidence examinations is that the interpretation can sometimes be too subjective. Interpretation sometimes plays a large role in the evaluation of trace evidence. Dr. Almirall and his team at FIU are trying to fix that. They have been working on an implementation package, including instrument specification, procedures, and validation assistance, that can be transferred to any forensic laboratory to help standardize trace evidence evaluation. Listen along as he discusses the implementation package, the value of trace evidence, and the analysis of glass in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

This week on Just Science, we are publishing a special release episode in honor of Sexual Assault Awareness Month. Social distancing, shelter in place, and other responses to COVID-19 can create a stressful environment for survivors of sexual assault especially if they feel they cannot access resources or are physically unable to seek help. In addition, highly stressful situations that result from significant amounts of change, such as unemployment, disruption in ‘normal’ activities, and social isolation may increase the risk of domestic violence and sexual assault. In this podcast, we will discuss what services are available to survivors of sexual assault, including leveraging on-line platforms and modified strategies for first responders, rape crisis centers, and victim advocates. We will also discuss how we as a friend, family member, and community can be prepared to respond to a victim of sexual assault in this challenging time. In this episode Just Science interviews Ms. Marya Simmons, the Founder and C

In episode five of the 2020 R&D Season, Just Science interviews Dr. Travis Rusch, a postdoctoral research associate at Texas A&M University, about fluctuating temperatures in forensically important blowflies. Forensic entomologists use predictable developmental rates of certain necrophagus insects to estimate time of colonization, postmortem interval, and time of death. However, extreme fluctuations in temperature can affect these development rates in unknown ways. Dr. Rusch hopes to shed light on this issue and advance the field of forensic entomology through his grant work. Listen along as he discusses the utility of forensic entomology, the life cycle of blowflies, and the next phase of his research in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In this episode of the 2020 R&D Season, Just Science interviews Dr. Tatiana Trejos, Assistant Professor of the Department of Forensic and Investigative Sciences at West Virginia University, about the rapid detection of organic and inorganic gunshot residue. Speed and accuracy are vital when it comes to the analysis of gunshot residue. Dr. Trejos and her team are working on a comprehensive method for studying both organic and inorganic gunshot residue utilizing laser-induced breakdown spectroscopy. This method focuses on providing accurate results, reducing wait time, and preserving the evidence. Listen along as she discusses chemometrics and a novel tool for analyzing organic and inorganic gunshot residue in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In episode three of the 2020 R&D Season, Just Science interviews Dr. Carl Wolf from the Medical College of Virginia Hospitals about 40 plus ways NOT to analyze beverages for cannibinoids. From professional student, to a leading researcher in the analysis of cannabinoids, Dr. Wolf has been involved in academia for decades. In that time, he has consulted and lectured on toxicology, given expert testimony, contributed to over 100 presentations and peer-reviewed publications, and worked on multiple NIJ-funded grants. Tune in as he talks about academia, analyzing beverages for cannabinioids, and the value of failure in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In episode two of the 2020 R&D Season, Just Science interviews Dr. Heather Garvin, Associate Professor of Anatomy at Des Moines University, about her work with OSTEOID, an online resource for species identification of skeletal remains. Approximately 30-40% of cases involving skeletal remains received by forensic anthropologists end up being animal bones. Forensic anthropologists can use their expert knowledge to quickly determine if the remains are human. Dr. Garvin and her team are working on a free, practical, and user-friendly online tool to help forensic anthropologists, death investigators, crime scene personnel, and law enforcement identify the species of skeletal remains. Tune in as she discusses being a forensic anthropologist, the driving need behind OSTEOID, and her work cataloging bone specimens for this project. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

In episode one of the 2020 R&D Season, Just Science interviews Dr. Ling Wang, post-doctoral associate at Florida International University, about the detection and quantitation of fentanyl mixtures by Surface Enhanced Raman Spectroscopy and Chemometrics. Opioid abuse has grown considerably in the last few years. New fentanyl analogs appear in street drugs at an alarming rate. Researchers like Dr. Wang are working to create alternative screening methods to detect the ever-evolving fentanyl compounds in today’s seized drugs. Listen along as she discusses graduate programs, the nuances of analyzing fentanyl, and her work in the detection and quantitation of emerging drug compounds in this episode of Just Science. This season is funded by the National Institute of Justice’s Forensic Technology Center of Excellence.

The American Academy of Forensic Sciences (AAFS) Humanitarian and Human Rights Resource Center (HHRRC) seeks to promote humanitarian and human rights action in the field of forensic sciences. This effort would not be possible without the support provided by NIJ’s FTCoE and AAFS. The HHRRC improves the practice of forensic science and strengthens its impact on humanitarian and human rights issues through education and dissemination of best practices and guidelines. In this Just So You Know episode, Just Science sat down with Dr. Duarte Nuno Vieira and Dr. Cláudia Plens for a look at how NIJ’s support of the HHRRC aids their mission. Tune in as we gain a broader understanding of humanitarian forensic action and how the HHRRC impacts forensic research around the world. This episode of Just Science is funded by the National Institute of Justice’s Forensic Technology Center of Excellence [Award 2016-MU-BX-K110].

Hello and welcome to Just Science, a podcast for justice professionals and anyone interested in learning more about forensic science, innovative technology, current research, and actionable strategies to improve the criminal justice system. This announcement was funded by the Center for Forensic Sciences at RTI International