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…

Landscape Study of Field Portable Devices for Presumptive Drug Testing

Date May 2018 Overview The goal of this report is to inform the forensic community about the current landscape of field portable devices and techniques used for presumptive drug testing. This report also contains a discussion of the benefits, limitations,…

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…

Applied Polarized Light Microscopy for Trace Evidence Examiners

Date April 2018 Overview Polarized light microscopy (PLM) is a technique commonly used in the field of forensic science. PLM characterizes and identifies trace evidence found at crime scenes, such as fibers, hairs, paints, and glass fragments. This workshop introduced…

Statistical Interpretation Software for Friction Ridge Skin Impressions (FRStat)

Date April 2018 Overview The Defense Forensic Science Center (DFSC) developed FRStat in response to criticisms from legal and scientific commentators on the lack of an empirically demonstrable basis to substantiate conclusions in pattern evidence. This tool is intended to…

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…