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Continuing Education

Bloodstain Evidence Pattern Analysis

Hours: 40
Tuition: $495

Program Information:

This 40-hour hands-on course is designed for crime scene investigators, evidence technicians, crime laboratory personnel, coroners and/or medical examiners who attend crime scenes involving violent death.  This course is the basic course giving participants the skills to analyze and interpret bloodstain evidence at crime scenes. 

Topics include:

  • Biological hazards (bloodborne pathogens)

  • History of bloodstain pattern analysis

  • Scientific principle as it pertains to bloodstain pattern analysis

  • Determinations that can be made from bloodstain pattern analysis

  • Physical attributes of blood

  • Reactions of liquid blood to the application of force

  • Effects of target surface characteristics

  • Effect of environmental factors on bloodstain formation and drying times

  • Characteristics of blood in motion

  • Mathematical principles related to bloodstain pattern analysis

  • Identification of the mechanisms creating bloodstains

  • Chemical testing and enhancements of blood

  • Preservation, collection and documentation of bloodstain evidence

  • Bloodstain experiments


Nick Stahlke is the Forensic Science Training Coordinator for the Wisconsin Department  of Justice, State Crime Laboratory system.  He has over 20 years of experience as a Team Leader in processing crime scenes involving homicide and analyzing bloodstain and bloodstain patterns.  Nick has been involved in many high profile homicide cases to include the Steven Avery, Brendan Dassey, James Koepp and David Yates cases.  Many of the crime scenes that he has processed have included the interpretation of bloodstain patterns.  His current responsibilities include the coordination and training of the activities of the Wisconsin Department of Justice Crime Scene Response Teams.  Nick was also involved in an episode of Forensic Files entitled “Trial by Fire”, that aired on the Discovery Channel (which highlighted a bloodstain pattern examination).

**Cancellations for this class must be received by SLEA 35 days prior to the start of the program in order to avoid being billed!**

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Jim Kempinski
Program Manager

Voice: (630) 942-2939

Trisha Augustyn
Administrative Assistant

Voice: (630) 942-2295

General Information

Voice: (630) 942-2677
Fax: (630) 942-3766


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