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Reply To Response By Fbi Laboratory Filed In Illinois V. Winfield And Affidavit By Biederman Et Al. (2022) Filed In Us V. Kaevon Sutton (2018 Cf1 009709), Susan Vanderplas, Kori Khan, Heike Hofmann, Alicia Carriquiry Jul 2022

Reply To Response By Fbi Laboratory Filed In Illinois V. Winfield And Affidavit By Biederman Et Al. (2022) Filed In Us V. Kaevon Sutton (2018 Cf1 009709), Susan Vanderplas, Kori Khan, Heike Hofmann, Alicia Carriquiry

Department of Statistics: Faculty Publications

1 Preliminaries

1.1 Scope

The aim of this document is to respond to issues raised in Federal Bureau of Investigation1 and Alex Biedermann, Bruce Budowle & Christophe Champod.2

1.2 Conflict of Interest

We are statisticians employed at public institutions of higher education (Iowa State University and University of Nebraska, Lincoln) and have not been paid for our time or expertise when preparing either this response or the original affidavit.3 We provide this information as a public service and as scientists and researchers in this area.

1.3 Organization

The rest of the document precedes as follows: we begin …


A Fusion Of Microscopy Technique In Human Coprolite Analysis: The Dyck Cliff Dwelling And The Arid West Cave, William Darwin Hertzel Apr 2022

A Fusion Of Microscopy Technique In Human Coprolite Analysis: The Dyck Cliff Dwelling And The Arid West Cave, William Darwin Hertzel

Anthropology Department: Theses

In the two papers that comprise this thesis, I will discuss the dietary complexes of two separate Southwestern archaeological sites excavated in the 20th century through the medium of coprolite analysis. The fusion of microscopy techniques in this project expands the capability of observation and identification of microremains and their use in reconstructing the dietary habits of past peoples. I intend to highlight the value of integrating three separate methods of microscopy for the identification of diet and any practices for using that information to narrow down a coprologically unstudied site location for samples of lost provenience. Additionally, this project …


Firearms And Toolmark Error Rates, Susan Vanderplas, Kori Khan, Heike Hofmann, Alicia L. Carriquiry Jan 2022

Firearms And Toolmark Error Rates, Susan Vanderplas, Kori Khan, Heike Hofmann, Alicia L. Carriquiry

Department of Statistics: Faculty Publications

We have outlined several problems with the state of error rate studies on firearm and toolmark examination. Fundamentally, we do not know what the error rate is for these types of comparisons. This is a failure of the scientific study of toolmarks, rather than the examiners themselves, but until this is corrected with multiple studies that meet the criteria described in Section 3, we cannot support the use of this evidence in criminal proceedings.


An Empirical Analysis Of Individual Events In Collegiate Forensics, Jordan Duffin Wong Mar 2020

An Empirical Analysis Of Individual Events In Collegiate Forensics, Jordan Duffin Wong

Honors Theses

Anecdotally, it is a widely accepted notion in the United States’ collegiate competitive speech and debate community that a competitor’s strong record of competitive performance in the activity at the high school level is a powerful predictor of similar success in the activity at the collegiate level. However, no evidence has been brought to bear supporting this claim. This paper uses the universe of American Forensic Association National Individual Events Tournament results from 2013 to 2018 and links collegiate competitors to their respective high school performance data. I demonstrate evidence that high school experience does, in fact, appear to play …


An Empirical Analysis Of Individual Events In Collegiate Forensics, Jordan Wong Jan 2020

An Empirical Analysis Of Individual Events In Collegiate Forensics, Jordan Wong

UCARE Research Products

Anecdotally, it is a widely accepted notion in the United States’ collegiate competitive speech and debate community that a competitor’s strong record of competitive performance in the activity at the high school level is a powerful predictor of similar success in the activity at the collegiate level. However, no evidence has been brought to bear supporting this claim. This paper uses the universe of American Forensic Association National Individual Events Tournament results from 2013 to 2018 and links collegiate competitors to their respective high school performance data. I demonstrate evidence that high school experience does, in fact, appear to play …


Fors 401: Forensic Biochemistry—A Peer Review Of Teaching Project Inquiry Portfolio, Ashley Hall Jan 2015

Fors 401: Forensic Biochemistry—A Peer Review Of Teaching Project Inquiry Portfolio, Ashley Hall

UNL Faculty Course Portfolios

Students who participate in active and experiential learning activities develop a better understanding of basic scientific principles and are also more likely to be retained in a STEM discipline. Developing such activities, however, can be difficult. In the present study, we sought to develop classroom activities to engage university students and increase understanding of the theory and practice of forensic science. One common accessory amongst the target audience was the ever-present media, both social and popular (entertainment). In fact, a majority of students report watching at least one of the many popular forensic science shows on TV. Therefore, we hypothesized …


The Debate Authors Working Group Model For Collaborative Knowledge Production In Forensics Scholarship, Gordon R. Mitchell, Carly Woods, Matthew Brigham, Eric English, Catherine E. Morrison, John Rief Jul 2010

The Debate Authors Working Group Model For Collaborative Knowledge Production In Forensics Scholarship, Gordon R. Mitchell, Carly Woods, Matthew Brigham, Eric English, Catherine E. Morrison, John Rief

Department of Communication Studies: Faculty Publications

The disconnect between modes of knowledge production in forensics (mostly collaborative) and academic study in the humanities (mostly solo work) is a chasm that can complicate the transition from tournament competitor to professional scholar. Might arrangements that promote joint authorship help harmonize the two modes of knowledge production and convert creative energy from the forensics setting to the academic publishing enterprise? This essay considers the possibility, reflecting on how efforts to coordinate collaborative knowledge production in debate authors working groups relate to professional development challenges isolated in the 1974 Sedalia Conference, the 1984 National Developmental Conference on Forensics, the 1993 …