The Firearms & Toolmarks Subcommittee focuses on standards and guidelines related to the examination of firearm and toolmark evidence. This includes the comparison of microscopic toolmarks on bullets, cartridge cases, and other ammunition components and may also include firearm function testing, serial number restoration, muzzle-to-object distance determination, tools, and toolmarks.
Erica Lawton, Subcommittee Chair, Alabama Department of Forensic Sciences; University of South Alabama
Todd Weller, Subcommittee Vice Chair, Weller Forensics, LLC
Melissa Oberg, Subcommittee Executive Secretary, Indiana State Police
Carey M. Alvarez Bacha, Unified Metropolitan Forensic Crime Laboratory
Zachary Carr, Johnson County Sheriff's Office Criminalistics Laboratory
James Carroll, Los Angeles County Sheriff's Department Crime Laboratory
Theodore Chavez, Federal Bureau of Investigation
Stefanie Happ, El Paso County Sheriff's Office
Stacey Hartman, Indiana State Police
Ryan Lilien, Cadre Research Labs
Stephanie Madon, Iowa State University (Human Factors Task Group representative)
Rebecca Mullen, Arkansas State Crime Laboratory (Quality Task Group representative)
Nicholas Petraco, City University of New York
Kevin Rippman, Bureau of Alcohol, Tobacco, Firearms and Explosives
James (Steve) Scott, Self-employed
Maneka Sinha, University of Maryland, School of Law (Legal Task Group representative)
Johannes Soons, National Institute of Standards and Technology
Michael Stocker, National Institute of Standards and Technology
Ted Vorburger, National Institute of Standards and Technology/Stratevia
Eric Warren, SEP Forensic Consultants
Alan Zheng, National Institute of Standards and Technology (Statistics Task Group representative)
Note: Subcommittee position statements or responses to data collections by the subcommittee do not necessarily represent the position of OSAC or NIST.
These documents may contain information to help forensic scientists, judges, lawyers, researchers, and other readers better understand the nature, scope, and foundations of the individual disciplines as currently practiced. The identification of these documents does not represent an endorsement by OSAC or NIST. Only standards that are posted on the OSAC Registry and Technical Guidance documents, are endorsed by OSAC. The referenced documents may be subject to copyright. Note: Subcommittee position statements or responses to data collections by the subcommittee do not necessarily represent the position of OSAC or NIST.