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About This Episode
DNA, short for deoxyribonucleic acid, is the biological instruction manual found in nearly every cell of the human body, and with the exception of identical twins, each person’s DNA profile is effectively unique. For investigators, that uniqueness makes DNA one of the most powerful identification tools in modern criminal justice. Biological material such as blood, saliva, semen, skin cells, hair with tissue attached and other bodily fluids can be collected from a crime scene and analyzed in a la
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