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You may find company among zombies and the living dead this Halloween, but the science of the real dead might be just as bloodcurdling.
Pathologists and medical examiners piece together how and when a person likely died. Fleshing out these details clue investigation teams into whether a person succumbed to natural causes, an accident or by the actions of someone else. But to make accurate estimates of time of death, they need to understand the science behind body reactions once the heart stops beating.
