We’ve all seen it in movies and stuff but how does it work?
In: Chemistry
IIRC in reality it doesn’t work like that (Edit: The only thing I found was seminal fluid was naturally florescent, so there is some exception). They need to first spray a chemical called Luminol which reacts with the iron in blood causing it to be luminescent under black light. Not sure if there are other chemicals that are able to detect other bodily fluids, but this is how they detect blood.
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