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, National Institute of Standards and Technology (NIST)

Heidi Eldridge, Subcommittee Vice Chair, George Washington University

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, U.S. Army Criminal Investigation Laboratory (USACIL)

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


On the OSAC Registry

OSAC Registry Ribbon
  • OSAC 2021-N-0020, Best Practice Recommendations for Limited Examinations (added April 5, 2022 and sent to ASB for further development and publication). 
  • OSAC 2022-S-0012, Standard for Proficiency Testing in Friction Ridge Examinations (added June 7, 2022 and sent to ASB for further development and publication). 
  • OSAC 2022-N-0033, Standard for Processing Evidence for the Detection of Friction Ridge Impressions (added September 6, 2022 and sent to ASB for further development and publication). 


Published by a Standards Developing Organization (SDO) & Eligible for the OSAC Registry

At an SDO for Further Development & Publication

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.
  • Case Acceptance Criteria.
  • 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 February 10, 2023