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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

Heidi Eldridge, Subcommittee Vice Chair, RTI International

Andrew Pacejka, Subcommittee Executive Secretary, Utah Bureau of Forensic Services


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

Simon Cole, Ph.D., University of California

Jack Flanders, Texas Department of Public Safety Crime Laboratory

Edward German, Macon County Sheriff's Office

Kalisha Gill, Defense Forensic Science Center

Nova Grilli, Charleston Police Department

Affiliate Members

Richard Gutierrez, Law Office of the Cook County Public Defender (Legal Task Group representative)

Mandi Hornickel, Illinois State Police

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

Louis Kriel, Georgia Bureau of Investigation

Amanda Luby, Swarthmore College (Statistics Task Group representative)


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

AshLee Taylor, Federal Bureau of Investigation

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-0038, Standard for Feature Selection in Friction Ridge Examination.
  • Detection of Friction Ridge Impressions.
  • Automated Biometric Identification Systems (ABIS) Best Practices.
  • Method Validation.
  • Performance Checks.
  • Recruiting/Selection Requirements (for pattern recognition disciplines).

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 November 2, 2022