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The Organization of Scientific Area Committees for Forensic Science

Bloodstain Pattern Analysis Subcommittee

OSAC Bloodstain Pattern Analysis SC icon only

The Bloodstain Pattern Analysis Subcommittee focuses on standards and guidelines related to the scientific detection and analysis of bloodstain patterns present at crime scenes and on associated evidence.

Officers | Members | Standards | Other Work Products

Officers

Holly Latham, Subcommittee Chair, Kansas Bureau of Investigation

Vacant, Subcommittee Vice Chair

Jeffrey Wolf, Subcommittee Executive Secretary, Texas Department of Public Safety

Members

Nicole Blackwell, Kansas City Police Crime Laboratory

Todd Crosby, Georgia Bureau of Investigation

David Garber, Chula Vista Police Department

Thomas Griffin, Griffin Forensic

Catherine Knutson, Minnesota Bureau of Criminal Apprehension (Quality Task Group representative)

Zack Kowalske, City of Roswell Police Department

Lauren Sautkulis, San Diego Sheriff's Regional Crime Laboratory

LeeAnn Singley, Grayson Singley Associates, LLC

Steven Swenson, Minnesota Bureau of Criminal Apprehension Forensic Science Service

Scott Swick, Texas Department of Safety

Peter Valentin, University of New Haven

Haonan Wang, Colorado State University (Statistics Task Group representative)

Kevin Winer, Kansas City Police Department

Toby L. Wolson, M.S., F-ABC, Noslow Forensic Consultations, LLC

Bloodstain Pattern Analysis Affiliate List

Standards

On the OSAC Registry

ANSI/ASB Standard 032 Standards for a Bloodstain Pattern Analyst's Training Program, 2020, 1st Ed. (added January 5, 2023)
ANSI/ASB Standard 157 Required Components for a Proficiency Testing Program in Bloodstain Pattern Analysis, 2023, 1st Ed. (added April 2, 2024)
ANSI/ASB Standard 158 Standard for Developing Standard Operating Procedures in Bloodstain Pattern Analysis, 2023, 1st Ed. (added November 7, 2023)
ASB Technical Report 033 Terms and Definitions in Bloodstain Pattern Analysis, 2017, 1st Ed. (added June 3, 2020)
OSAC 2021-N-0039 Standard for a Mentorship Program in Bloodstain Pattern Analysis (added April 5, 2022)
OSAC 2021-S-0011 Standard for the Technical Review of Bloodstain Pattern Analysis Reporting (added April 4, 2023)
OSAC 2022-N-0010 Standards for Development of an Accredited Bloodstain Pattern Analyst Certification Program (added December 6, 2022)
OSAC 2022-S-0030 Standard for Methodology for Bloodstain Pattern Analysis (added July 5, 2023)

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

At an SDO for Further Development & Publication

ASB Standard 030 Standard for a Quality Assurace Program in Bloodstain Pattern Analysis, 2nd Ed.
ASB Standard 031 Standard for Report Writing in Bloodstain Pattern Analysis, 2nd Ed.
ASB Standard 032 Standards for a Bloodstain Pattern Analyst's Training Program, 2nd Ed.
ASB Standard 072 Standard for the Validation of Procedures in Bloodstain Pattern Analysis, 2nd Ed.
ASB Standard 198 Standard for the Technical Review of Bloodstain Pattern Analysis Reporting
ASB Standard 203 Standard for the Development of a Bloodstain Pattern Analyst Certification Program
ASB Standard 205 Standard Methodology in Bloodstain Pattern Analysis
ASB Technical Report 033 Terms and Definitions in Bloodstain Pattern Analysis, 2nd Ed.
OSAC 2021-N-0039 Standard for a Mentorship Program in Bloodstain Pattern Analysis (OSAC Proposed Standard on the Registry)
OSAC 2021-S-0011 Standard for the Technical Review of Bloodstain Pattern Analysis Reporting (OSAC Proposed Standard on the Registry)
OSAC 2022-N-0010 Standards for Development of an Accredited Bloodstain Pattern Analyst Certification Program (OSAC Proposed Standard on the Registry)
OSAC 2022-S-0030 Standard for Methodology for Bloodstain Pattern Analysis (OSAC Proposed Standard on the Registry)

Under Development

Guideline for Documenting Bloodstains at Crime Scenes and on Items of Evidence
Guideline for Documenting Bloodstains on Textiles
Method for Determining Area of Origin
OSAC 2024-S-0020 Method for Measuring a Spatter Stain
OSAC 2024-S-0021 Method for Estimating the Angle of Impact of Spatter Stains
OSAC 2024-S-0022 Method for Determining Directionality

Other Work Products

Process Maps

Bloodstain Pattern Process Map, December 2019.

Research & Development Needs

See the research and development needs identified by the Bloodstain Pattern Analysis Subcommittee.

Webinars, Presentations & Training Videos

OSAC Bloodstain Pattern Analysis Subcommittee Update, International Association for Identification (IAI) Conference, August 2021.
OSAC Bloodstain Pattern Analysis Subcommittee Update, IAI Conference, August 2019.
OSAC Priority Action Report, Association for Crime Scene Reconstruction Annual Training Conference, February 2019.
OSAC Priority Action Report, International Association of Bloodstain Pattern Analysts (IABPA) Annual Training Conference, October 2018.
OSAC Bloodstain Pattern Analysis Subcommittee Update, IAI Conference, August 2018.

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.