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Those DNA ancestry kits are very popular. But how accurate are they? Can they really pinpoint the country where your ancestors came from? And with whom do ancestry businesses share that data? Was that data given to police which led to the Golden State Killer arrest, or did it come from other sources? How valuable is DNA in making criminal convictions, as well as exonerating the innocent? What parts of the human body provide the best types of DNA for analysis? How has DNA forensics analysis changed over the years? Is a human DNA sample ever too old to analyze? In what ways do you leave behind y
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