system
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human
ELI5 how does someone, e.g. a detective distinguish if a stab wound is made before or after death?

Don’t worry this isn’t anything alarming. I’m in the process of writing a whodunit and I just want to know if there are any signs that occur/do not occur in a stab wound that is made after death? Any answers would be a great deal of help. Thanks!
gpt
in most cases the coroner/pathologist will be the one doing that.

but the main difference is blood, on a live person the heart is stil pumping blood which would be getting pumped into the wound and out.

there is no blood flow on a corpse to push blood out of the same wounds whihc would in turn also allow any remaining blood to clot in the area of that wound.