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Bloodstain Pattern Analysis Subcommittee

OSAC Bloodstain Pattern Analysis SC icon only


The Bloodstain Pattern 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



Holly Latham, Subcommittee Chair, Kansas Bureau of Investigation

Susan Rinehart, Subcommittee Vice Chair, Los Angeles Police Department

Celestina Rossi, Subcommittee Executive Secretary, Montgomery County Sheriff's Office


David Baldwin, Special Technologies Laboratory, USDOE

Nicole Blackwell, Kansas City Police Crime Laboratory

Todd Crosby, Georgia Bureau of Investigation

David Garber, Chula Vista Police Department

Cristina Gonzalez, Los Angeles County Sheriff Department Crime Laboratory

Thomas Griffin, Griffin Forensic

Rebecca Hooks, Illinois State Police Crime Scene Services Command

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

Kate Philpott, VCU and self-employed (Legal Task Group representative)

Jennifer Preisig, Massachusetts State Police Crime Laboratory

Lauren Sautkulis, San Diego Sheriff's Regional Crime Laboratory

Jason Simser, State of Minnesota, Bureau of Criminal Apprehension, Forensic Science Laboratory

Peter Valentin, University of New Haven

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


Published by a Standards Developing Organization (SDO)

Sent to an SDO

Under Development

  • OSAC 2021-S-0011, Standard for Technical Review of Bloodstain Pattern Analysis Reports.
  • OSAC 2022-N-0010, Standard for the Development of an Accredited Bloodstain Pattern Analyst Certification Program.
  • OSAC 2022-S-0030, Standard Methodology in Bloodstain Pattern Analysis.
  • Standard for Classifying Bloodstain Patterns.
  • Standard for Reporting Reconstruction Conclusions in Bloodstain Pattern Analysis.
  • Standard for Determining Area of Convergence and Area of Origin. 
  • Standard for Documenting Bloodstains and Bloodstain Patterns at Scenes.

Other Work Products

Process Maps

Research & Development Needs

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 July 11, 2014, Updated April 5, 2022