How Bloodstain Pattern Analysis Works

Popular crime-scene shows like CSI and Dexter can give viewers the impression that they're well-educated armchair scientists, but anyone in a forensics lab will tell you that we don't know jack. The folks at Forensic Nursing break down the science of blood pattern analysis (BPA) in  this handy infographic, detailing the types of spatter, and how the analysis is made.

via Daily Infographic

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Which is why it's so annoying to watch CSI, Criminal Minds, Dexter, and other forensics series. There's a lot of pseudo-science (handwriting analysis), pop-psychology, and downright impossible things (getting very clear, zoomed images from VGA-quality security cameras). What's also alarming is the strong gene-deterministic undercurrent whenever they tackle criminal behavior. DNA is not destiny!
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