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Bloodstain Pattern Analysis Subcommittee
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
Kevin Winer, Subcommittee Chair, Kansas City Police Department
Vacant, Subcommittee Vice Chair
Vacant, Subcommittee Executive Secretary
Members
David Baldwin, Special Technologies Laboratory, USDOE
Dan Boerner, Ohio Bureau of Criminal Investigation
David Garber, Chula Vista Police Department
Thomas Griffin, Griffin Forensic
Jen Karschner, Montgomery County Police Crime Laboratory
Zack Kowalske, City of Roswell Police Department
Holly Latham, Kansas Bureau of Investigation
Susan Rinehart, Retired
Amy Santoro, Johnson County (KS) Sheriff's Office Criminalistics 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
Jeffrey Wolf, Texas Department of Public Safety
Haonan Wang, Colorado State University
Standards
On the OSAC Registry
- ANSI/ASB Standard 032-20 Standards for a Bloodstain Pattern Analyst's Training Program, 2020, 1st Ed. (added January 5, 2023)
- ANSI/ASB Standard 157-23 Required Components for a Proficiency Testing Program in Bloodstain Pattern Analysis, 2023, 1st Ed. (added April 2, 2024)
- ANSI/ASB Standard 158-23 Standard for Developing Standard Operating Procedures in Bloodstain Pattern Analysis, 2023, 1st Ed. (added November 7, 2023)
- ASB Technical Report 033-17 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); [Pending Evaluation & OSAC Acceptance for Registry]
At an SDO for Further Development & Publication
- ASB Standard 030 Standard for a Quality Assurace Program 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 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
- 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.
- BPA Bibliography by Date 2025
- BPA Bibliography by Topic 2021
- Educational Model for Introductory Bloodstain Pattern Analysis Training
- Guidelines for Proficiency Testing in Bloodstain Pattern Analysis
- Guidelines for Developing Standard Operating Procedures for Bloodstain Pattern Analysis
- Appendix A - SOP Guidelines Section 3: EQUIPMENT, MATERIALS, AND REAGENTS