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Forensic Science, Medicine, and Pathology

, Volume 7, Issue 3, pp 257–270 | Cite as

Blood stain pattern analysis

  • O. Peschel
  • S. N. KunzEmail author
  • M. A. Rothschild
  • E. Mützel
Continuing Medical Education Review

Abstract

Bloodstain pattern analysis (BPA) refers to the collection, categorization and interpretation of the shape and distribution of bloodstains connected with a crime. These kinds of stains occur in a considerable proportion of homicide cases. They offer extensive information and are an important part of a functional, medically and scientifically based reconstruction of a crime. The following groups of patterns can essentially be distinguished: dripped and splashed blood, projected blood, impact patterns, cast-off stains, expirated and transferred bloodstains. A highly qualified analysis can help to estimate facts concerning the location, quality and intensity of an external force. A sequence of events may be recognized, and detailed questions connected with the reconstruction of the crime might be answered. In some cases, BPA helps to distinguish between accident, homicide and suicide or to identify bloodstains originating from a perpetrator. BPA is based on systematic training, a visit to the crime scene or alternatively good photographic documentation, and an understanding and knowledge of autopsy findings or statements made by the perpetrator and/or victim. A BPA working group has been established within the German Society of Legal Medicine aiming to put the knowledge and practical applications of this subdiscipline of forensic science on a wider basis.

Keywords

Bloodstain pattern analysis Homicide Crime scene analysis Crime reconstruction Forensic science 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • O. Peschel
    • 1
  • S. N. Kunz
    • 1
    Email author
  • M. A. Rothschild
    • 2
  • E. Mützel
    • 1
  1. 1.Institute of Legal MedicineLudwig Maximilians University of MunichMunichGermany
  2. 2.Institute of Legal MedicineUniversity of CologneCologneGermany

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