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CSAFE Shares New Research Developments with the Forensic Science Community at IAI Conference

CSAFE graduate student Alexandra Arabio (right) and REU intern Emily Allen (left) talk with conference attendees during the IAI Conference poster session.
CSAFE graduate student Alexandra Arabio (right) and REU intern Emily Allen (left) talk with attendees during the IAI Conference poster session.

Faculty, students and staff from the Center for Statistics and Applications in Forensic Evidence (CSAFE) participated in the 2022 International Association for Identification (IAI) Annual Educational Conference. The conference was held July 31-Aug. 6 in Omaha, Neb.

CSAFE was a conference sponsor and hosted the mid-week Discipline Social Event on Aug. 3. The Center also had a booth in the exhibit hall where attendees could watch technology demonstrations, including a custom-built footwear scanner and a handwriting analysis software app.

Nine posters from CSAFE researchers were submitted in the poster session held Aug. 2, including posters from the students who participated in CSAFE’s Research for Undergraduate Students (REU) summer program. The IAI poster session marked the end of the REU internship experience and allowed the students to present their final research results. Below is the list of researchers with a link to view their posters.

3D Comparison of Breech Face Casts and Cartridge Case Impressions

Emma Thatcher, REU intern from West Virginia University; Ke’Asia Canady, REU intern from Albany State University; James Hamilton, Ph.D. candidate at West Virginia University; Veronica Franklin, Ph.D. candidate at West Virginia University; and Keith Morris, CSAFE co-director and the Ming Hsieh Distinguished Teaching Professor of forensic and investigative science at West Virginia University

REU intern Emma Thatcher (right) talks with a conference attendee about her research during the poster session.
Click on image to enlarge. REU intern Emma Thatcher (right) talks with a conference attendee about her research during the poster session.

Applications of Confocal Microscopes on Toolmark Analysis

Eden Amin, REU intern from the University of Central Oklahoma; Samantha Springer, CSAFE research assistant; Nate Simon, junior at Iowa State University; Jeff Salyards, CSAFE research scientist; and Heike Hofmann, professor of statistics at Iowa State University

A Data-Driven Approach to Model the Generation Process of Bloodstain Patterns

Tong Zou, graduate student in statistics at the University of California, Irvine, and Hal Stern, CSAFE co-director and professor at the University of California, Irvine

A Factorial-design Database of 3D Screwdriver Striation Marks for Objective Toolmark Identification

Nina Barretts, REU intern from the University of New Haven; Maria Cuellar, assistant professor of criminology at the University of Pennsylvania; and Heike Hofmann, professor of statistics at Iowa State University

A Pipeline for Cartridge Case Comparisons

Joseph Zemmels, graduate student in statistics at Iowa State University; Heike Hofmann, professor of statistics at Iowa State University; and Susan Vanderplas, assistant professor of statistics at the University of Nebraska-Lincoln

CSAFE graduate student Joseph Zemmels (right) discusses his research project during the IAI Conference poster session.
Click on image to enlarge. CSAFE graduate student Joseph Zemmels (right) discusses his research project during the IAI Conference poster session.

Effect of Weight on Outsole Impressions

Katarina Maier, REU intern from Loyola University Chicago; David Chu, REU intern from Carleton College; Hana Lee, graduate student in statistics at Iowa State University; Valerie Han, graduate student in statistics at Iowa State University; and Alicia Carriquiry, CSAFE director and Distinguished Professor and President’s Chair in Statistics at Iowa State University

Forged Signature Recognition Using Hotelling’s T2 Analysis

Emily Allen; REU intern from State University; Alicia Carriquiry, CSAFE director and Distinguished Professor and President’s Chair in Statistics at Iowa State University; and Danica Ommen, assistant professor at Iowa State University

Quantifying Common Word Variance Through Rainbow Triangle Graph Decomposition of the Common Word ‘the’

Alexandra Arabio, graduate student in statistics at Iowa State University; Alicia Carriquiry, CSAFE director and Distinguished Professor and President’s Chair in Statistics at Iowa State University; and Danica Ommen, assistant professor at Iowa State University

Twin Convolutional Neural Networks to Classify Writers Using Handwriting Data

Andrew Lim, graduate student in statistics at Iowa State University, and Danica Ommen, assistant professor at Iowa State University

In addition, several CSAFE researchers presented lectures and workshops during the conference. For the full list of CSAFE presentations, visit https://forensicstats.org/news-posts/csafe-researchers-to-give-workshops-and-lectures-at-the-2022-iai-conference/.

REU interns David Chu (front, left) and Katarina Maier (back, left) talk about their research project with conference attendees.
REU interns David Chu (front, left) and Katarina Maier (back, left) talk about their research project with conference attendees.

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