Bloodstain Pattern Analysis Subcommittee

International Association for Identification

Holly Latham

August 2021
OSAC’s Structure

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FSSB Resource Task 

Groups:

• Human factors

• Legal

• Quality

• Statistics
Bloodstain Pattern Analysis Subcommittee

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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
Bloodstain Pattern Analysis Subcommittee

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Holly Latham 

Chair, Kansas Bureau of Investigation

Jeff Gurvis 

Vice Chair, National Support Forensic Laboratory

Celestina Rossi 

Executive Secretary, Montgomery County Sheriff’s Office
Bloodstain Pattern Analysis Subcommittee

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David Baldwin

Special Technologies Laboratory, USDOE

Nicole Blackwell

Kansas City Missouri Police Department

Todd Crosby

Georgia Bureau of Investigation

Cristina Gonzalez

LA County Sheriff’s Department Crime Laboratory

Rebecca Hooks

Illinois State Police
Bloodstain Pattern Analysis Subcommittee

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Catherine Knutson

Minnesota Bureau of Criminal Apprehension

Stephen Michielsen, Ph.D.

RMIT University

Kate Philpott

Self-employed

Susan Rinehart

Los Angeles Police Department

Lauren Sautkulis

San Diego Sheriff’s Regional Crime Laboratory
Bloodstain Pattern Analysis Subcommittee

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LeeAnn Singley

Grayson Singley Associates, LLC

Haonan Wang, Ph.D.

Colorado State University

Kevin Winer

Kansas City Missouri Police Department

Toby Wolson, M.S., F-ABC

Noslow Forensic Consultation, LLC

Nikola Osborne
Bloodstain Pattern Analysis Subcommittee

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Tier 1: On the OSAC Registry

ASB Technical Report 033, Terms and Definitions in Bloodstain Pattern Analysis, First Edition, 2017.

Tier 2: Published by an SDO

ANSI/ASB Standard 030, Standard for a Quality Assurance Program in Bloodstain Pattern Analysis, 

First Edition, 2019.

ANSI/ASB Standard 031, Standards for Report Writing in Bloodstain Pattern Analysis, First Edition, 

2020.

ANSI/ASB Standard 032, Standards for a Bloodstain Analyst's Training Program, First Edition, 

2020.

ANSI/ASB Standard 072, Standard for the Validation of Procedures in Bloodstain Pattern Analysis, 

First Edition, 2019.
Bloodstain Pattern Analysis Subcommittee

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Tier 3: Sent to an SDO

• Standards for Developing Standard Operating Procedures in Bloodstain Pattern Analysis

• Guidelines for Proficiency Testing in Bloodstain Pattern Analysis

Tier 4: Under Development

• Standard for the Technical Review of Bloodstain Pattern Analysis Reports

• Standard for a Certification Program for Bloodstain Pattern Analysts

• Standard for Bloodstain Pattern Analysis Methodology

• Standard for Determining Angle of Impact and Area of Origin

• Standard for Classifying Bloodstains

• Standard/Guidelines for Documenting Bloodstains and Bloodstain Patterns at Scenes

• Standard/Guidelines for Case Specific Experimentation

• Standard for a Mentorship Program in Bloodstain Pattern Analysis
Bloodstain Pattern Analysis Subcommittee

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https://www.nist.gov/topics/organization-scientific-areacommittees-forensic-science/bloodstain-pattern-analysis

• BPA Process Map

• Research and Development Needs

• BPA Bibliography
Bloodstain Pattern Analysis Subcommittee

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OSAC is now operating under version 2.0

• Documents will now go out for public comment while at OSAC 

prior to sending them to the Standards Developing 

Organization (SDO)

• SDO – ASB American Standards Board with the American 

Academy of Forensic Science

• Documents will also be reviewed by a Scientific and Technical 

Review Panel (STRP)

• Method development

• Method validation

• Methods, practices and procedures

• Quality Assurance

• Reporting and testimony
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How Can You Get Involved?

Sign up for OSAC 

communications Become an OSAC member

Share your expertise by 

reviewing and 

commenting on 

documents

Stay informed

https://www.nist.gov/topics/organizationscientific-area-committees-forensicscience/apply-join-osac

https://www.nist.gov/osac

https://service.govdelivery.com

/accounts/USNIST/subscriber/

new
THANK YOU!

Holly Latham

bloodstainanalyst@live.com