Biology & DNA

All of our webinars, reports, podcast episodes, and other educational resources are available to the public at no cost.

Funding for the Forensic Technology Center of Excellence has been provided by the National Institute of Justice.

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2024 NIJ Forensic Science R&D Symposium

Overview The Forensic Technology Center of Excellence (FTCOE) assisted the National Institute of Justice (NIJ) in hosting the annual NIJ Forensic Science Research and Development (R&D) Symposium on Tuesday, February 20, 2024 at the 76th Annual American Academy of Forensic Sciences (AAFS) conference in Denver, Colorado. This…

Success Story: NIJ and The New York City OCME Validating Confirmatory Body Fluid Identification Assays for Real-World Impact

National Institute of Justice and The New York City OCME Date December 2023 Overview Support from the National Institute of Justice (NIJ) enabled the New York City OCME to develop and validate proteomic mass spectrometry body fluid assays to support…

What Medical Examiner’s and Coroner’s Offices Should Know about Molecular Autopsy

Date December 2023 Overview A molecular autopsy consists of “postmortem genetic testing of decedents who died naturally, suddenly, and unexpectedly at young ages.” Molecular autopsies can enable a more accurate determination of cause of death in cases where the scene…

Validation of a Confirmatory Proteomic Mass Spectrometry Body Fluid Assay

← Back to Webinar Series Page This webinar originally occurred on December 7, 2023Duration: 1 hour Overview With increasingly sensitive forensic methods for DNA detection, the source from which a DNA profile is obtained becomes increasingly important. Was an individual’s…

FLN-TWG: A Roadmap to Improve Research and Technology Transition in Forensic Science

← Back to FLN-TWG Main Page  Forensic Laboratory Needs Technology Working Group (FLN-TWG) The National Institute of Justice (NIJ), in partnership with the Forensic Technology Center of Excellence (FTCOE) at RTI International, formed the Forensic Laboratory Needs Technology Working Group…

2023 NIJ Forensic Science R&D Webinar Series

Overview In this webinar series, the Forensic Technology Center of Excellence (FTCOE) proudly collaborates with forensic science researchers whose projects receive support from the National Institute of Justice (NIJ) research grant program. Presenters will highlight advancements in the forensic community…

2023 National Forensic Science Week Puzzle Crime Scene Examination Wordsearch

← Back to Main Page ← Back to All Puzzles Page Puzzle Instruction To view and complete the puzzle in a separate window, click the expanding arrows in the tool bar above the puzzle title. To input your answers click…

2023 National Forensic Science Week Interview Montage

← Back to Main Page Overview In the past, the FTCOE has released written interviews with forensic practitioners in various stages of their career and working in various forensic disciplines. This year, we created a video comprised of multiple interviews with forensic practitioners from seasoned subject matter experts to young professionals early…

2023 National Forensic Science Week

Overview National Forensic Science Week (September 18-22, 2023) recognizes the contribution that forensic science makes to the criminal justice system. It is an opportunity to celebrate academic programs, forensic professionals, and scientific research in the various forensic disciplines.   Throughout the…

Touch DNA Evidence Collection in Sexual Assault Cases: Knowledge to Inform Practice

← Back to Webinar Series Page This webinar originally occurred on April 18, 2023Duration: 1 hour Overview Touch DNA was a revolutionary concept when introduced in 1997. The application of touch DNA in sexual assault cases was tested in 2011…

Landscape Study of Next Generation Sequencing Technologies for Forensic Applications

Date April 2023 Overview The National Institute of Justice’s (NIJ’s) Forensic Technology Center of Excellence (FTCOE), led by RTI International, provides valuable resources that promote the use of novel and innovative technologies in the forensic community. Next Generation Sequencing (NGS)…

Solving Violent Crime Through Lawfully “Owed” DNA: Outcomes of Efforts to Address Missed DNA Samples

← Back to Webinar Series Page This webinar originally occurred on April 11, 2023Duration: 1 hour Overview Lawfully owed DNA procedures have an immeasurable impact on the criminal justice system. Procedures do not fall on just one discipline in the…

Exploring the Link Between Dating Apps and Sexual Assault: Novel Research Findings

← Back to Webinar Series Page This webinar originally occurred on April 4, 2023Duration: 1 hour Overview Dr. Julie L. Valentine will share background information on dating app usage and user demographics to provide context for research findings on dating…
lady justice

2023 Sexual Assault Awareness Month Webinar Series: Novel Research on Sexual Assault

Overview This April, in honor of Sexual Assault Awareness Month, the Forensic Technology Center of Excellence will be releasing a series of webinars covering topics related to novel research on various sexual assault topics. Tune in as our presenters discuss…

The Increased Value of Forensic Science to Lead Gun Crime Investigations

← Back to Webinar Series Page ← FTCOE ASCLD All Resources Page Part I originally occurred on January 16, 2024Duration: 1 hour Part II originally occurred on January 23, 2024Duration: 1 hour Overview The United States has seen the number…

2022 National Forensic Science Week FTCOE Student Research Poster Session

← Back to Main Page Overview Thursday, September 22, 2022 | Posters will be available at 1:00 PM Eastern Welcome to our virtual poster session! As fall semester begins and in honor of National Forensic Science Week (September 18-24, 2022),…

An Introduction to Forensic Genetic Genealogy Technology for Forensic Science Service Providers

Date September 2022 Overview DNA evidence can play a key role in investigations of cold case violent crimes and in cases of missing and unidentified individuals. Searching DNA profiles against the Federal Bureau of Investigation (FBI)’s Combined DNA Index System…
microphone and headphones

Just Identifying Individuals with Forensic Genetic Genealogy

Original Release Date: September 9, 2022 In episode one of our Applications of Forensic Science for Human Identification season, Just Science sat down with Dr. Heather McKiernan, a Research Forensic Scientist at RTI International, and Ashley Rodriguez, a Research Public…

Cost-Benefit Analysis Tool for Labor Expenditure Associated With Sexual Assault Kit Processing Workflows

Overview Laboratories can use different workflows to process sexual assault kit (SAK) evidence, and the workflow is often selected based on available resources. In an era of constrained local and state budgets, this cost-benefit analysis (CBA) tool provides a critical…

Hair Root Staining – What Can Hematoxylin Do for Your Laboratory?

This webinar originally occurred on August 16, 2022 Duration: 1 hour Overview Hair evidence collected as part of a forensic investigation has the potential to provide valuable source information through DNA analysis of its root. In the years prior to…

Interlaboratory Comparison of SpermX and Conventional Differential Extractions

This webinar originally occurred on August 11, 2022 Duration: 1 hour Overview Scientists from three participating laboratories – University of Central Florida (UCF), Center for Forensic Science Research and Education (CFSRE), and InnoGenomics (IGT) – presented results obtained from mock…
test tubes and scientist

A Landscape Study Examining Technologies and Automation for Differential Extraction and Sperm Separation for Sexual Assault Investigations

Date May 2022 Overview The National Institute of Justice’s (NIJ) Forensic Technology Center of Excellence (FTCOE), led by RTI International, provides valuable resources that promote the use of technologies in the forensic community. Differential extraction is a technique that allows…
test tubes and scientists

Things Are Not What They Seem: A Collection of Interesting Case Studies from the Medical Examiner Scene Queens

← Back to Unseen Threats Webinar Series This webinar originally occurred on May 19, 2022Duration: 1 hour Overview With the rise of illicit fentanyl, fentanyl analogues, synthetic cathinones, xylazine, and other substances adulterating many traditional street drugs, users often have…
pills and IV

Unseen Threats: A Webinar Series from the AAFS Opioids and Emerging Drugs Ad-Hoc Committee

Overview This webinar series is based on the one-day workshop (“Unseen Threats”) that was sponsored by the Opioids and Emerging Drugs Ad-Hoc Committee at the 2022 American Academy of Forensic Sciences (AAFS) Annual Meeting. To follow up on this workshop,…
woman sad

Strangulation in Sexual Assault Cases: Considerations for Evidence Collection and Supporting Healing

← Back to 2022 Sexual Assault Awareness Month Webinar Series This webinar originally occurred on April 14, 2022Duration: 1 hour Overview In addition to providing medical care and support to victims of sexual assault, Sexual Assault Nurse Examiners (SANEs) collect…
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Sexual Assault Kit Evidence Tracking: The Idaho State Police Forensic Services Experience

← Back to 2022 Sexual Assault Awareness Month Webinar Series This webinar originally occurred on April 7, 2022Duration: 1 hour Overview The Idaho State Police Forensic Services agency has designed a sexual assault kit evidence tracking system to effectively track…
lady justice

2022 Sexual Assault Awareness Month Webinar Series: Exploring Current Trends in Sexual Assault Response

Overview This April, in honor of Sexual Assault Awareness Month, the Forensic Technology Center of Excellence will be releasing a series of webinars covering topics related to sexual assault response reform. Tune in as our presenters discuss sexual assault kit…
microphone and headphones

Just a Trauma-Informed Response to At-Home Sexual Assault Kits

Original Release Date: February 25, 2022 In the final episode of our Perspectives on At-Home Sexual Assault Kits season, Just Science sat down with Natasha Alexenko, Lieutenant Jordan Satinsky, and Marya Simmons to discuss at-home sexual assault kits through a victim-centered…
hands holding earth

2022 Humanitarian and Human Rights Resource Center Virtual Library

← Back to the HHRRC Special Initiative The Humanitarian and Human Rights Resource Center (HHRRC), an organization within the American Academy of Forensic Sciences (AAFS) supported by the National Institute of Justice’s (NIJ) Forensic Technology Center of Excellence (FTCOE), hosted…
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Virtual Workshop: A Discussion on Research and a Multidisciplinary Response to Sexual Assault

Overview The National Institute of Justice (NIJ) and the Forensic Technology Center of Excellence (FTCOE) delivered a two-day Virtual Workshop: A Discussion on Research and a Multidisciplinary Response to Sexual Assault on January 26-27, 2022.  The Virtual Workshop: A Discussion on Research…
bug & DNA

Molecular Identification of Insects Relevant to Medicolegal Casework

This webinar originally occurred on December 2, 2021 Duration: 1 hour Overview Accurate insect identification is critical to their use in estimation of time of colonization (TOC) and post-mortem interval (PMI) during medicolegal death investigations. Insect specimens are currently identified…
US and forensic science disciplines

2021 Forensic Science Research Federal Stakeholders Public Meeting

Overview The National Institute of Justice (NIJ) and the National Institute of Standards and Technology (NIST), in partnership with the Forensic Technology Center of Excellence (FTCOE), held a Forensic Science Research Federal Stakeholders meeting on November 8, 2021 from 9:00AM…

National Best Practices for Sexual Assault Kits: A Multidisciplinary Approach Mobile App

Go MOBILE for FREE with the National Best Practices for Sexual Assault Kits App! Get the app here or search for “National Best Practices for Sexual Assault Kits” on the Google Play Store. Google Play and the Google Play logo…
latent print and DNA

DNA recovery after sequential processing of latent fingerprints on copy paper

Publication Journal of Forensic Sciences, September 2021 Authors Abigail S. Bathrick, M.F.S. | Bode Technology, Lorton, VA Sarah Norsworthy, M.S. | Forensic Technology Center of Excellence, RTI International, Durham, NC Dane T. Plaza, B.S. | Bode Technology, Lorton, VA Mallory…
DNA and person silhouette

FLN-TWG: Next Generation Sequencing (NGS) for DNA Analysis

← Back to FLN-TWG Main Page  Forensic Laboratory Needs Technology Working Group (FLN-TWG) The National Institute of Justice (NIJ), in partnership with the Forensic Technology Center of Excellence (FTCOE) at RTI International, formed the Forensic Laboratory Needs Technology Working Group…
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2021 National Forensic Science Week Practitioner Interviews

← Back to Main Page Overview The FTCOE has conducted a variety of written interviews with forensic professionals in various stages of their careers. From recent graduates to retired professionals, the FTCOE showcases real-world perspectives on the current state of…

2021 National Forensic Science Week FTCOE Student Research Poster Session

← Back to Main Page Overview  As fall semesters are getting back into session and in honor of the upcoming National Forensic Science Week (September 19-25, 2021), the Forensic Technology Center of Excellence (FTCOE) would like to highlight student research…
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Just a Cost Benefit Analysis of Sexual Assault Investigation

Original Release Date: August 6, 2021 In episode four of our 2021 Research and Considerations for Sexual Assault Cases season, Just Science sat down with Dr. Rachel Lovell, Research Assistant Professor at Case Western Reserve University, and Mary Weston, Assistant…
microphone and headphones

Just Trauma-Informed Victim-centered Interviewing

Original Release Date: July 30, 2021 In episode three of our 2021 Research and Considerations for Sexual Assault Cases season, Just Science sat down with Natasha Alexenko, Jordan Satinsky, and Marya Simmons to discuss trauma informed, victim-centered interviewing for sexual assault cases.    A sexual…
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 Just the Impression and Pattern/Trace Evidence Portfolio

Original Release Date: June 11, 2021 In episode two of our 2021 NIJ R&D and Beyond mini season, Just Science sat down with Dr. Gregory Dutton, a physical scientist in the Office of Investigative and Forensic Sciences at the National Institute of Justice, to discuss NIJ’s Impression, Pattern, and Trace…

Evidence Collection and Analysis for Touch Deoxyribonucleic Acid in Groping and Sexual Assault Cases

Publication Journal of Forensic Nursing, April 2021 Authors Julie L. Valentine, Ph.D., RN, CNE, SANE-A, FAAN | Brigham Young University Paige Presler-Jur, M.S. | RTI International Heather Mills, MSFS | Utah Bureau of Forensic Services Suzanne Miles, B.S. | Utah…
DNA strands

Perspectives on Addressing the Collection, Tracking, and Processing of Lawfully Owed DNA Samples

Date April 2021 Overview The Federal Bureau of Investigation’s (FBI’s) Combined DNA Index System (CODIS) is a powerful tool that supports the criminal justice system by generating investigative leads, identifying perpetrators, and linking cases together. DNA profiles obtained from convicted…

Introduction to Touch DNA Evidence for Sexual Assault Groping Cases Video Series

Overview: The Importance of Touch DNA Evidence in Sexual Assault Groping Cases video series is presented by Dr. Julie Valentine and Heather Mills as a companion to the Journal of Forensic Nursing article entitled “Evidence Collection and Analysis for Touch…
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FLN-TWG: Proteomic Mass Spectrometry for Biology Fluid Identification

← Back to FLN-TWG Main Page  Forensic Laboratory Needs Technology Working Group (FLN-TWG) The National Institute of Justice (NIJ), in partnership with the Forensic Technology Center of Excellence (FTCOE) at RTI International, formed the Forensic Laboratory Needs Technology Working Group…
constellations over glass lab equipment

Forensic Laboratory Needs Technology Working Group (FLN-TWG)

Supporting NIJ’s Mission to Improve Knowledge and Understanding The National Institute of Justice (NIJ), in partnership with the Forensic Technology Center of Excellence (FTCOE) at RTI International, formed the Forensic Laboratory Needs Technology Working Group (FLN-TWG). The FLN-TWG supports NIJ’s…
a digital strand of DNA

An Automated Single Cell Separation Technique to Improve Mixture Deconvolution

This webinar originally occurred on November 12, 2020 Duration: 1 hour Overview Although the interpretation of mixed DNA samples is commonplace in forensic analyses, complex samples often present interpretational challenges. These complexities are introduced through a variety of environmental, biological,…
Pipette filling plastic storage tubes

Effects of DNA Extraction Methods on Recovery, Degradation, and Loss

This webinar originally occurred on August 20, 2020 Duration: 1 hour Overview DNA recovered from forensic and ancient DNA (aDNA) sources is generally expected to be in low copy number and degraded in strand length. However, considering the following equation,…
DNA strands in green

Success Story: Advancing Mixture Interpretation Analysis with NOCIt

National Institute of Justice and Rutgers University Date September 2020 Overview DNA samples recovered from crime scenes often contain at least two contributors. Complex forensic DNA mixture interpretation can be challenging and requires computational advancements that support its use. Using…
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Just Forensic Genetic Genealogy and GEDmatch:  Verogen’s Approach

Original Release Date: September 25, 2020 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…
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PACE™: Rapid and Automated Artifact Identification and Number of Contributor Prediction

This webinar originally occurred on July 28, 2020 Duration: 1 hour Overview The PACE™ software introduces a fully continuous, machine learning tool to the forensic DNA community that enables fast and accurate artifact management and predicts the number of contributors…
virtual depiction of DNA strands on computer screen

Validation and Tutorial of NOCIt for Determining the Number of Contributors

This webinar originally occurred on July 14, 2020 Duration: 1 hour Overview Forensic DNA signal is notoriously challenging to interpret and requires the implementation of computational tools that support its interpretation. While data from high-copy, low-contributor samples result in an…

2019 National Institute of Justice Forensic Science Research and Development Symposium

Date February 2019 Overview The 2019 National Institute of Justice (NIJ) Forensic Science Research and Development (R&D) Symposium is intended to promote collaboration and enhance knowledge transfer of NIJ-funded research. The NIJ Forensic Science R&D Program funds both basic or…
eye dropper filling glass test tubes

The Time to Analyze is Now: DNA Evidence in Groping Sexual Assault Cases

This webinar originally occurred on January 29, 2020 Duration: 1.5 hours Overview This webinar built on the concepts presented in the webinar “The Time to Collect is Now: DNA Evidence in Groping Sexual Assault Cases” presented by Dr. Julie Valentine.…

DNA Backlog Reduction Strategy: Law Enforcement Agency Partnerships for a Successful Biological Screening Laboratory

NIJ’s FTCOE, Palm Beach County Sheriff’s Department, and Boca Raton Police Services Department Date November 2019 Overview Implementing DNA technology in crime laboratories has led to the intensification of backlogged cases and a concomitant pressure to implement backlog reduction strategies.…
virtual depiction of DNA strands

ASCLD Train the Director – Investigative Genetic Genealogy: Background and Crime Lab Strategy

← Back to Series This webinar originally occurred on January 23, 2020 Duration: 1.5 hours Overview Investigative Genetic Genealogy is a recently developed technique that generates new leads on previously unsolved cases where DNA from the suspect is present at…

Online Workshop Series: Probabilistic Genotyping Of Evidentiary DNA Typing Results

Overview The Federal Bureau of Investigation Laboratory has partnered with the National Institute of Justice’s Forensic Technology Center of Excellence to create a series of online workshops aimed at increasing knowledge, understanding, and the reliable application of probabilistic genotyping to…

Success Story: Enabling Forensic Field Testing with Paper Microfluidic Devices

National Institute of Justice and Florida International University Date April 2019 Overview Forensic investigators, law enforcement, and military personnel are often placed in potentially dangerous situations when they come across suspected drugs, explosives, and bodily fluids while in the field.…

Success Story: Improving DNA Mixture Interpretation with the Help of Machine Learning

National Institute of Justice and Syracuse University Date March 2019 Overview When DNA is recovered from a crime scene, victim, or suspect, it may be a mixture of genetic information from multiple individuals. To successfully interpret a mixture of DNA,…

The Time to Collect is Now: DNA Evidence in Groping Sexual Assault Cases

This webinar originally occurred on February 27, 2019 Duration: 1.5 hours Overview Improving the overall response to sexual assault includes understanding how touch DNA evidence impacts groping sexual assault cases. This webinar will illustrate the importance of these cases and…

In-Brief Report Series: Beyond DNA – Sexual Assault Investigations

Date January 2019 Overview The National Institute of Justice (NIJ) is committed in their efforts to support scientific advancement, evidence-based practices, and community awareness of our Nation’s sexual assault response. As NIJ’s Director, Dr. David B. Muhlhausen, indicated, “our nation’s…

Success Story: Uncovering Key Details of Skeletal Remains through 3D-ID Software

National Institute of Justice and North Carolina State University Date January 2019 Overview When forensic anthropologists investigate unidentified remains, they look for important clues that can help identify the subject. For example, the size and shape of the skull can…

Process and Outcome Evaluation of Forensic DNA Unit Efficiency Improvement Program

Date November 2018 Overview A 2009 National Institute of Justice (NIJ) Forensic DNA Unit Efficiency Improvement (EIP) Program solicitation provided crime laboratories’ DNA testing services with a funding opportunity to meet the increasingly numerous requests from the criminal justice community.…

A Landscape Study of SOPs to Collect and Process Arrestee and Convicted Offender DNA Samples

Date September 2018 Overview The Forensic Technology Center of Excellence (FTCOE) is conducting a landscape study and root cause analysis which seeks to (1) identify factors that may result in potential barriers related to the collection, testing, and uploading of…

Advancing Research Initiatives and Combatting the Human Trafficking Epidemic

This webinar originally occurred on November 1, 2018 Duration: 1 hour Overview Trafficking in persons is a multi-faceted global epidemic which has seen a significant increase in public awareness. However, there is a substantial need to expand capacities and technologies…

Estimating Blow Fly Age and Reducing Error in Postmortem Interval Cases

This webinar originally occurred on October 24, 2018 Duration: 2 hours Overview Insect evidence can provide valuable information during death investigations. Forensic entomologists estimate the ages of the immature insects like blow flies, which can provide useful information regarding timelines…

New SWGDAM Recommendations on Communicating Likelihood Ratios

This webinar originally occurred on October 18, 2018 Duration: 2 hours Overview SWGDAM recently issued recommendations on genotyping results reported as likelihood ratios, designed to promote consistency among laboratories. Members of the committee will discuss the recommendations and their foundations.…

Mixtures, Microhaps, and Modeling, Oh My!! Cutting-Edge Research in Forensic DNA Analysis from Early-Career Scientists

This webinar originally occurred on September 18, 2018 Duration: 1.5 hours Overview During National Forensic Science Week, early-career researchers that were awarded FTCOE travel sponsorships to the prestigious Gordon Research Conference and Seminar will present novel projects in forensic DNA…

Humanitarian and Human Rights Resource Center Webinar Series

Overview The Humanitarian and Human Rights Resource Center (HHRRC) of the American Academy of Forensic Sciences (AAFS) with support from the National Institute of Justice’s Forensic Technology Center of Excellence provides needed resources and support to apply modern forensic science…

Conference Proceedings: 2018 Impression Pattern and Trace Evidence Symposium

Date May 2018 Overview From January 22 to 25, 2018, RTI International, the National Institute of Justice (NIJ) and the Forensic Technology Center of Excellence (FTCOE) held the 2018 Impression, Pattern and Trace Evidence Symposium (IPTES) in Arlington, VA, to…

Conference Proceedings: 2018 Research and Development Symposium

Date April 2018 Overview The 2018 National Institute of Justice (NIJ) Forensic Science Research and Development (R&D) Symposium is intended to promote collaboration and enhance knowledge transfer of NIJ-funded research. The NIJ Forensic Science R&D Program funds both basic or…

Success Story: Establishing a “Microbial Clock” to Improve Time of Death Prediction

National Institute of Justice and Multi-Institute Academic Team Date April 2018 Overview The postmortem interval (PMI) is the time that has elapsed since a person’s death. Determining the PMI at a crime scene may help to recreate the victim’s timeline…

Success Story: Maximizing the Use of Mitochondrial DNA in Identifying Remains and Aiding Missing Persons Casework

National Institute of Justice and the American Registry of Pathology Date April 2018 Overview Mitochondrial DNA (mtDNA) serves as an important tool in situations where traditional nuclear DNA analysis is unlikely to yield probative information. mtDNA sequencing has traditionally focused…

Success Story: NIST’s Dogs and Sensor Subcommittee Builds on Achievements by SWGDOG

National Institute of Justice and Florida International University Date April 2018 Overview Dog “detector teams” support law enforcement and first responders in a variety of applications ranging from drug and contraband interdiction to locating human remains. Dogs offer a useful…

Evaluating the Use of DNA Analysis for Family Reunification

← Back to Series This webinar originally occurred on March 14th, 2018 Duration: 1 hour Overview DNA analysis allows for testing relationships (kinship) between two individuals in situations that vary from legal immigration to claimed parentage testing. This webinar focuses…

Cost-Benefit Analysis of Kinship Testing Involving Siblings

← Back to Series This webinar originally occurred in 2018 Duration: 1 hour Overview This webinar aims to improve the knowledge on kinship testing involving siblings and provides a cost-benefit analysis of practices involving the use of additional reference siblings…
DNA strand

Success Story: Forensic Epigenetics – Markers for the Identification of Body Fluids

National Institute of Justice and Florida International University Date February 2018 Overview  The identification of body fluids recovered from crime scenes can provide valuable information to further aid investigations. The biological origin of body fluids can facilitate the identification of…

Predict Human Appearance From DNA Focusing On Pigmentation

← Back to Series  This webinar originally occurred on October 25, 2017 Duration: 2 hours Overview Principles, methods and applications of DNA-based prediction of human appearance traits for forensic and anthropological use with specific insights into eye, hair, and skin…

Familial DNA: A series of reports released by the National Institute of Justice [2017]

Overview The National Institute of Justice (NIJ) published several reports related to Familial DNA in August 2017. The topics of these reports include Studies of Familial DNA Searching Policies and Practices-Case Studies, Studies of Familial DNA Searching Policies and Practices –…

2016 National Institute of Justice Forensic Science Research and Development Symposium

Date July 2016 Overview The 2016 NIJ Research and Development Symposium is intended to promote collaboration and enhance knowledge transfer of NIJ-funded research. The NIJ Research and Development (R&D) Program funds both basic or applied R&D projects that will (1)…

Conference Proceedings: 2015 Impression, Pattern, and Trace Evidence Symposium

Date December 2015 Overview This report was published in RTI Press, a global publisher of peer-reviewed, open-access publications on a broad range of topics. The areas of focus reflect RTI’s multidisciplinary research, our expertise in social and laboratory sciences, and our…

ASCLD Webinar Series: DNA Standards and Guidelines Part 2

This webinar originally occurred on May 25, 2017 Duration: 2 hours Overview Forensic DNA Analysis, and in particular interpreting complex DNA mixtures and calculating statistics, can be challenging. The technology is ever more sensitive and analysts are testing a wider…

ASCLD Webinar Series: DNA Standards and Guidelines Part 1

Overview This webinar was targeted to DNA Supervisors, DNA Technical Leaders, Quality Mangers, and DNA Analysts. There was also a question and answer period after the presentation. Forensic DNA Analysis, and in particular interpreting complex DNA mixtures and calculating statistics,…

2015 TechBeat Articles Featuring the FTCOE

Gunshot Residue Analysis Featured in New FTCOE Report Series Issue: Sep/Oct 2015 Pages: 3-8 Click here to read the article Familial DNA Project: Engaging Stakeholders, Sharing Opinions Issue: May/Jun 2015 Pages: 13-14 Click here to read the article Cutting-Edge Vacuum Technology: Locates hard to find…

Basics of Microbiology as they Apply to Forensics

Overview Dr. Bruce Budowle, of the University of North Texas Health Science Center, and Dr. Dana Kadavy, Director of Biological Sciences at Signature Science, LLC, presented on microbiology, pathogens, human microbiome, and genetic engineering/synthetic biology. Participants will gain a better…

In-Brief: Applying Internal Validation Guidelines for Expanded STR Loci Kits

Date January 2017 Overview The familiar ’13 Combined DNA Index System (CODIS) core loci’ expanded to ’20 CODIS core loci’ as mandated by the FBI on January 1, 2017. Because of this FBI mandate, participating CODIS laboratories will need to internally…

A Guidance Document on the Forensic Application of Massively Parallel Sequencing

Date December 2016 Overview This report describes the fundamentals of massively parallel sequencing (MPS) for the application to forensic analysis. Also included within this report is a comprehensive summary of the webinar series which discussed the strength of the technology and…

Genome ID Forum 2014 – The Critical Role of SNPs in the Future of Forensics

Overview Originally presented at the 2014 Genome ID Forum, this presentation appraises the potential value of Single Nucleotide Polymorphisms (SNPs) as applied to forensic analysis, including ancestry inference, phenotypic inference and individual identification. The discussion focuses strongly on the relevance…

Genome ID Forum 2014 – Proteomics: Multiplex Assay to Identify Biological Stains

Overview Originally presented at the 2014 Genome ID Forum, this archived presentation discusses the development and validation of a rapid multiplex assay for the identification of biological stains using comparative proteomics. Current serological techniques, although historically utilized and relied upon…

R&D 2014 – Models in Forensic DNA & Pathology Part II

Overview This archival portion of the 2014 R&D Seminar Series covers the following presentations: • New Pediatric Head Injury Assessment Tool for Possible Child Abuse Cases Considering Subject-Specific Child Head Anatomy – Dr. Jingwen Hu • Investigation of the Impact…

R&D 2014 – Models in Forensic DNA & Pathology – Part I

Overview This archival portion of the 2014 R&D Seminar Series covers the following presentations: • Modeling 3D Facial Shape from DNA – Dr. Mark Shriver • Pediatric Fracture Printing: Creating a Science of Statistical Fracture Signature Analysis – Dr. Todd…

Genome ID Forum 2014 – Legal Perspective on the Adoption of Advanced Technologies

Overview Originally presented at the 2014 Genome ID Forum, Ted Hunt, chief trial attorney in the prosecuting attorney’s office in Kansas City, Missouri, brings a fresh legal perspective to addressing the adoption of advanced DNA analysis technologies for forensic crime laboratories.…

Genome ID Forum 2014 – HD SNP Array for Forensic Casework

Overview Originally presented at the 2014 Genome ID Forum, Dr. Sandra Close presents her latest research, the application of high density SNP array technology applied to forensic casework. Dr. Close presents an overview of the platform, including chemistry, assay and…

Familial DNA Searching: Current Approaches – Part IV

Overview This four-part panel discussion series will elucidate the current landscape of policies and procedures addressing familial DNA searching. Part IV In this particular session, the discussion focused around current technical protocols including software considerations, candidate thresholds derived by likelihood…

Familial DNA Searching: Current Approaches – Part III

Overview This four-part panel discussion series will elucidate the current landscape of policies and procedures addressing familial DNA searching. Part III In this particular session, the discussion focused around the process of investigative follow up from these leads including costs…

Familial DNA Searching: Current Approaches – Part II

Overview This four-part panel discussion series will elucidate the current landscape of policies and procedures addressing familial DNA searching. Part II In this particular session, the discussion topic was focused around current existing protocols and specifically address questions such as:…

Familial DNA Searching: Current Approaches – Part I

Overview This four-part panel discussion series will elucidate the current landscape of policies and procedures addressing familial DNA searching. Part I These discussions were used to generate a report designed to educate legal professionals, policy makers, law enforcement and forensic…

Genome ID Forum 2014 – Emerging Technologies for Human Remains Identification

Overview Originally presented at the 2014 Genome ID Forum, an overview of the Laboratory’s new Next Generation Sequencing (NGS) instrumentation and protocol development is discussed including experimental design utilizing multiple forensic markers and the impact on sample processing. A certificate…

ASCLD Webinar Series: FBI Allele Frequency – Managers & Legal Overview

Overview Crime Laboratories have earned a position of public trust over time through providing reliable quality results. Keeping public trust includes being self-correcting once an issue is discovered. The Federal Bureau of Investigation allele frequency amendments is an opportunity to…

ASCLD Webinar Series: FBI Allele Frequency Amendments – Technical Discussion

Overview Crime Laboratories have earned a position of public trust over time through providing reliable quality results. Keeping public trust includes being self-correcting once an issue is discovered. The Federal Bureau of Investigation allele frequency amendments is an opportunity to…

ASCLD Webinar Series: Rapid DNA, the QAS and NDIS Part I

Overview The American Society of Crime Lab Directors, along with RTI International, have produced this webinar series designed to investigate the validation, current use, and future implementation of Rapid DNA. This is the first archival of this three-part series that…

ASCLD Webinar Series: DNA Mixtures Managers Overview

Overview Complex DNA mixtures from more than two individuals and/or profiles amplified with low-level quantities of DNA, can be challenging for the analyst to interpret. Dr. Coble first provided an overview of the technical issues with mixture interpretation including statistical…

Genome ID Forum 2014 – Applications of Emerging Technologies NIST

Overview Originally presented at the 2014 Genome ID Forum, the National Institute of Standards and Technology (NIST) SRMs includes the PCR based DNA profiling standard which covers 51 autosomal and 17 Y chromosome markers, mitochondrial DNA sequencing standards and the…

A General Framework for the Estimation of Likelihood Ratios

Overview This talk provides a very general framework for the estimation of likelihood ratios using similarity or dissimilarity scores resulting from a comparison of two patterns that overcome this deficiency for suitably chosen similarity measures. In such instances, the likelihood…

A Landscape Study of DNA Mixture Interpretation Software

Date October 2015 Overview Due to the influx of complex mixture data, the need for mixture interpretation software tools is of growing importance to the forensic DNA community. Given the availability of open-source and commercial software options, crime laboratories must…

2014 TechBeat Articles Featuring the FTCOE

Short Tandem Repeat Study Released Issue: Nov/Dec 2014 Page: 27 Click here to read the article Magneto-Optical technology shows promise in “Unerasing” Serial Numbers Issue: Sep/Oct 2014 Pages: 21-24 Click here to read the article Report Provides Insight Into Mobile ID Fingerprint Technology Issue: Jul/Aug 2014…
skeletons

Success Story: Creating an International Databank of Skeletal Biomarkers for Human Identification

National Institute of Justice and University of South Florida Date September 2016 Overview According to the Federal Bureau of Investigation’s (FBI’s) National Crime Information Center (NCIC), Missing Person and Unidentified Person Files, there are approximately 13,500 unidentified individual cases in…
mitochondria and DNA strands

Success Story: Customizing NextGENe Software for Forensic Applications

National Institute of Justice and CHORI – Collaboration with SoftGenetics® and California Department of Justice Date April 2016 Overview Degraded and mixed DNA samples are often encountered in forensic cases and pose interpretation challenges. Mitochondrial DNA (mtDNA) markers are ideal targets…
DNA strand gloved hand with tube

Success Story: Addressing a Key Challenge for PCR-Based Forensic Tests

National Institute of Justice and DNA Polymerase Technologies Date April 2016 Overview Polymerase Chain Reaction (PCR) inhibitors are present in blood, soil, and reagents, and represent a key challenge for PCR-based forensic tests, resulting in false negatives and poor sensitivity…
DNA strands with barrier tape

Success Story: Introducing New Methods for DNA Analysis

National Institute of Justice and Midwest Research Institute Date April 2015 Overview Dr. Micah Halpern, formerly of Midwest Research Institute, used National Institute of Justice (NIJ) research grants to develop a unique genotyping method that is capable of rapidly producing…
sam quinones headshot

Success Story: Understanding the Ecology of Human Decomposition Methods for Estimating Postmortem Interval

National Institute of Justice and the National Museum of Health and Medicine Date April 2015 Overview Data on the microbiome of decomposing and skeletonized remains are providing an avenue for understanding how microbial communities may be used to augment medicolegal…
outline of man with skulls and blue lines

Success Story: Improving Identification of Mexican Hispanic Remains

National Institute of Justice and Texas State University Date April 2015 Overview In the United States, the Mexican Hispanic population ranks second in total size, yet Mexican Hispanic individuals often remain unidentified in forensic anthropological cases. The reason? There has…
DNA strand in magnifying glass and handcuffed hands

Success Story: Bringing Short Tandem Repeat DNA Identification to Law Enforcement

National Institute of Justice, UC Berkeley, and IntegenX Date April 2015 Overview Dr. Richard Mathies, chemist and professor at UC, Berkeley, was awarded NIJ funding to develop faster, more reliable, higher throughput, more sensitive, and more integrated technologies for forensic…