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

Holly Latham, Subcommittee Chair, Kansas Bureau of Investigation

Susan Rinehart, Subcommittee Vice Chair, Los Angeles Police Department (Retired)

Vacant, Subcommittee Executive Secretary

Members

Bloodstain Pattern Analysis Affiliate List

Standards

On the OSAC Registry

• ANSI/ASB Standard 032, Standards for a Bloodstain Analyst's Training Program, 2020. 1st. Ed. (added January 5, 2023).
• ASB Technical Report 033, Terms and Definitions in Bloodstain Pattern Analysis. 2017. 1st. Ed. (added June 3, 2020).
• 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).
• OSAC 2021-N-0039, Standard for Mentorship Program in Bloodstain Pattern Analysis (added April 5, 2022 and sent to ASB for further development and publication). 
• OSAC 2021-S-0011, Standards for Technical Review of Bloodstain Pattern Analysis Reporting (added April 4, 2023 and sent to ASB for further development and publication).
• OSAC 2022-N-0010, Standards for Development of an Accredited Bloodstain Pattern Analyst Certification Program (added December 6, 2022 and sent to ASB for further development and publication).
• OSAC 2022-S-0030, Standard Methodology in Bloodstain Pattern Analysis (added July 5, 2023 and sent to ASB for further development and publication).

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

• ANSI/ASB Standard 030, Standard for a Quality Assurance Program in Bloodstain Pattern Analysis. 2019. 1st. Ed.
• ANSI/ASB Standard 031, Standards for Report Writing in Bloodstain Pattern Analysis. 2020. 1st. Ed. 
• ANSI/ASB Standard 072, Standard for the Validation of Procedures in Bloodstain Pattern Analysis. 2019. 1st. Ed.

At an SDO for Further Development & Publication

• OSAC 2021-N-0039, Standard for Mentorship Program in Bloodstain Pattern Analysis (OSAC Proposed Standard on the Registry).
• OSAC 2021-S-0011, Standards for Technical Review of Bloodstain Pattern Analysis Reporting (OSAC Proposed Standard on the Registry).
• OSAC 2022-N-0010, Standard for the Development of an Accredited Bloodstain Pattern Analyst Certification Program (OSAC Proposed Standard on the Registry).
• OSAC 2022-S-0030, Standard Methodology in Bloodstain Pattern Analysis  (OSAC Proposed Standard on the Registry).
• REVISION to ASB 030, Standard for a Quality Assurance Program in Bloodstain Pattern Analysis. 20xx. 2nd. Ed.
• REVISION to ASB 033, Terms and Definitions in Bloodstain Pattern Analysis. 20xx. 2nd. Ed. 
• REVISION to ASB 072, Standard for the Validation of Procedures in Bloodstain Pattern Analysis. 20xx. 2nd. Ed.

Under Development

• Standard for Documenting Bloodstains and Bloodstain Patterns at Scenes.
• Standard for Bloodstain Pattern Analysis on Textiles (clothing and absorbent materials).
• Standard for Determining Area of Convergence and Area of Origin. 
• Method for Determining Angle of Impact.
• Method for Determining Directionality of Stains.

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 2020
• 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