Author Rod Englert helped pioneer blood spatter analysis in criminal investigations. He explains how in "Blood Secrets." While a police officer, he spent years studying and testing how blood behaves. Now his research is frequently used to solve cases, from puzzling murders in small towns to high-profile celebrity trials. The author spoke with POLICE about his inspiration and the importance of first responders preserving blood spatter at a crime scene so it can be analyzed as evidence.
Read about this year's innovative computer software that makes your job easier.
The actions you take as a first responder can determine the value of crime scene evidence for investigators and prosecutors.
Understanding the crime scene and its layout is vital to prosecuting any case. One of the quickest and easiest ways to record everything pertinent to the case is by drawing a diagram of the crime scene.
By remembering and practicing a few little techniques, we can keep crime scenes as clean as a rookie’s uniform.
While all components of crime scene investigation are important, visual documentation stands out as the most effective tool for describing and recreating a crime scene.