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Pattern/Impression Scientific Area Committee

The Pattern/Impression Scientific Area Committee (SAC) provides strategic direction, serves as a platform to integrate similar standards activities across multiple forensic science disciplines, and manages the activities of the following subcommittees:

Members

Henry Swofford, SAC Chair, National Institute of Standards and Technology

Nicole Richetelli, SAC Vice Chair, Noblis, Inc.

Joshua Connelly, Friction Ridge Subcommittee Chair, Douglas County Sheriff's Office

Anthony Koertner, Footwear & Tire Subcommittee Chair, U.S. Army Criminal Investigation Laboratory

Mary (Meg) O'Brien, Forensic Document Examination Subcommittee Chair, U.S. Secret Service

Todd Weller, Firearms & Toolmarks Subcommittee Chair, Weller Forensics, LLC

Gregory Haber, National Institute of Standards and Technology (statistics representative)

Julia Leighton, Self-employed (legal representative)

Alicia McCarthy, Thomas College, (human factors representative)

Sarah Pryor, Texas Department of Public Safety Crime Laboratory (quality representative)

Raymond Valerio, Queens District Attorney's Office (legal representative)

Documents in Process

Standard Guide for Developing Discipline-Specific Methodology for ACE-V (currently at an SDO)

Presentations

OSAC Public Update Meeting: Physics/Pattern Interpretation SAC Updates, June 2019

International Association for Identification (IAI): OSAC Physics/Pattern Interpretation SAC Update, August 2018

Created July 14, 2014, Updated October 2, 2026
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