Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Friction Ridge Subcommittee

OSAC Friction Ridge SC icon


The Friction Ridge Subcommittee focuses on standards and guidelines related to the forensic examination of friction ridge detail from the hands and feet.

Officers | Members | Standards | Other Work Products




Henry Swofford, Subcommittee Chair, HJS Consulting, LLC

Joshua Connelly, Subcommittee Vice Chair, Douglas County Sheriff's Office (Nebraska)

Carey Hall, Subcommittee Executive Secretary, Minnesota Bureau of Criminal Apprehension


Claudine Carter Pereira, Broward Sheriff's Office (Quality Task Group representative)

Jessica Cino Gabel, Georgia State University College of Law (Legal Task Group representative)

Simon Cole, Ph.D., University of California

Heidi Eldridge, RTI International

Edward German, Macon County Sheriff's Office

Kalisha Gill, Defense Forensic Science Center

Affiliate Members

Nova Grilli, Charleston Police Department

Mandi Hornickel, Illinois State Police

Karen Johnson, Federal Bureau of Investigation

Sharon Kelley, University of Virginia (Human Factors Task Group representative)

Amanda Luby, Swarthmore College (Statistics Task Group representative)

Andrew Pacejka, Utah Bureau of Forensic Services

Eric Ray, IDEMIA

Norberto Rivera, Bureau of Alcohol, Tobacco, Firearms and Explosives

Elizabeth Small, Federal Bureau of Investigation

Jim Snaidauf, IRS - Criminal Investigations National Forensic Laboratory

Christie VanAndel, Nebraska State Patrol


Published by a Standards Developing Organization (SDO)

  • None currently.

Sent to an SDO

All documents listed below are completed work products of the OSAC Friction Ridge Subcommittee and have passed a rigorous technical and quality review by the subcommittee. The subcommittee encourages the forensic science community to implement these proposed standards.

Under Development

  • OSAC 2022-S-0012, Standard for Proficiency Testing in Friction Ridge Examination.
  • Automated Biometric Identification Systems (ABIS) Best Practices.
  • Method Validation.
  • Performance Checks.
  • Standard for Feature Selection.
  • Recruiting/Selection Requirements (for pattern recognition disciplines).
  • Detection of Friction Ridge Impressions.

Other Work Products

Process Maps

Reference Documents

Research & Development Needs

Standards Development Maps

Webinars, Presentations & Training Videos

Discipline-Specific Bibliographies and Bibliographic References 

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.

Created October 16, 2014, Updated June 7, 2022