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Impression Session: Firearms and Toolmarks

August 2023

Series

National Center on Forensics

This training was presented as a part of the National Center on Forensics Conference at George Mason University on August 10th, 2023. In this session, NIST Senior Forensic Science Research Manager Rob Thompson and FBI Supervisory Physical Scientist/Forensic Examiner Michelle Machalka introduce the concepts of firearm and fingerprint impressions.

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FBI Subaward to the NIST project "Identifying Class and Individual Characteristics of Printer Marks on Additively Manufactured Firearm Components"

GRANT14110035-B

Open

Funding First Awarded

2024

$130,000

Identifying Class and Individual Characteristics of Printer Marks on Additively Manufactured Firearm Components

DJO-NIJ-25-RO-0001

Open

Funding First Awarded

2024

$389,657

Attribution of tire marks via their elemental profile

15PNIJ-24-GG-03849-NIJB

Open

Funding First Awarded

2024

$299,344

Semi-empirical Kinetics Model for Fingerprint Aging

15PNIJ-24-GG-03855-MUMU

Open

Funding First Awarded

2024

$399,437

Black Box Evaluation of Hand Detail Image Comparisons

15PNIJ-24-GG-03846-NIJB

Open

Funding First Awarded

2024

$746,866

Development of double casts for the validation of three-dimensional imaging systems for firearm forensics

15PNIJ-24-GG-01553-RESS

Awarded, but not yet accepted

Funding First Awarded

2024

$205,090

Switch-on Near Infrared Emission in Albumin Behind Dark Fabric: Toward Application in Forensic Latent Bloodstain Detection

Date Published

2024

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Estimate of the Random Match Frequency of Acquired Characteristics in Footwear: Part II - Impressions in Dust

Date Published

January 2024

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Estimate of the Random Match Frequency of Acquired Characteristics in Footwear: Part I - Impressions in Blood

Date Published

January 2024

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Impression Session: Firearms and Toolmarks

Event Dates

August 10, 2023

Location

Online

Event Type

Webinar

Registration Status

Not Required

An Information Gap in DNA Evidence Interpretation

Date Published

2009

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Improving Analysis of "Trace DNA" Evidence

Date Published

January 2023

Publication Type

Research (Applied/Empirical)

Agencies

NIJ

FBI subaward to NIST project GOJPNIJ24000016 "Comparison of Examiner Conclusions with Score-based Likelihood Ratios for Cartridge Case Evidence

O2309-015-015-012545

Open

Funding First Awarded

2023

$120,000

Comparison of Examiner Conclusions with Score-based Likelihood Ratios for Cartridge Case Evidence

GOJPNIJ24000016

Open

Funding First Awarded

2023

$409,578

FBI subaward to SDSU project 15PNIJ-23-GG-04232-MUMU "Statistical Foundations of Score-Based Methods in Forensic Identification of Source Problems"

O2308-015-015-012164

Open

Funding First Awarded

2023

$59,332

Forensic Evidence from Chemical Imaging of Triacylglycerols in Latent Fingerprints

Date Published

2023

Publication Type

Research (Applied/Empirical), Report (Grant Sponsored)

Agencies

NIJ-Sponsored

Bloodstain tails: Asymmetry aids reconstruction of oblique impact

Date Published

November 2023

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Fingerprint Analysis: Moving Toward Multiattribute Determination via Individual Markers (Thesis Document)

Date Published

2019

Publication Type

Research (Applied/Empirical), Thesis/Dissertation

Agencies

NIJ-Sponsored

Just Science Podcast: Just Footwear Impressions on Fabric

Date Published

November 2023

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Predicting Fingerprint Age Based on Ozonolysis Kinetics of Unsaturated Triacylglycerol Degradation

Date Published

2023

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Physics and Statistical Models for Physical Match Analysis Utilizing 3D Microscopy of Fracture Surfaces

Date Published

October 2023

Publication Type

Research (Applied/Empirical), Report (Grant Sponsored)

Agencies

NIJ-Sponsored

Accuracy, reproducibility, and repeatability of forensic footwear examiner decisions

Date Published

2022

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Analysis of Automotive Paint Smears Using Attenuated Total Reflection Infrared Microscopy

Date Published

2023

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Transmission Infrared Imaging Microscopy and Multivariate Curve Resolution Applied to the Forensic Examination of Automotive Paints

Date Published

August 2018

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored