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A Brief Introduction to Bloodstain Interpretation

Stephen Krzyston

· Bloodstain
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Stephen Krzyston is an experienced criminal defense attorney who served approximately seven years as an assistant public defender for the county of Richland, South Carolina. One of Stephen Krzyston’s areas of interest and study is blood spatter interpretation.

The analytical practice of blood spatter interpretation takes advantage of the fact that the forces of physics act upon blood in highly predictable ways. This allows trained bloodstain pattern analysts to draw specific conclusions regarding the shedding of blood at a crime scene.

In addition to looking at spatter patterns, bloodstain pattern analysts pay particular attention to apparent transfers of blood as well as areas that are remarkably devoid of blood. Over the years, bloodstain interpretation has proven effective at helping investigators determine critical crime scene factors that include the source of spilled blood and the root causes of wounds, as well as the number and position of perpetrators and their movements before, during, and after their actions.