What is touch DNA?: Scientific American
source: http://www.sciam.com/article.cfm?id=experts-touch-dna-jonbenet-ramsey
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- purplefox
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"Last month various news outlets reported that police had used a technique called “touch DNA” to clear the family of JonBenet Ramsey of any wrongdoing in her gruesome 1996 death."
Touch DNA doesn't require any visible traces such as blood or semen - only a few skin cells.
This article from Scientific American explains what touch DNA is and how it is extracted and analysed.
Touch DNA doesn't require any visible traces such as blood or semen - only a few skin cells.
This article from Scientific American explains what touch DNA is and how it is extracted and analysed.
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