DNA evidence has been used to clear and convict criminals, but it needs a sample to match against. It used to be that the only help DNA evidence was resided in its comparisons to other taken samples. You can test the suspects DNA against the DNA you found at the crime scene. It could not help you figure out who to test. That may now be changing. New technology may soon allow the use of DNA to create a facial sketch. The sketch could then be used to help find a suspect worth testing further.
More at http://www.dailymail.co.uk/sciencetech/article-1146503/DNA-left-crime-scene-used-create-picture-criminals-FACE-say-scientists.html?ITO=1490.
Monday, February 16, 2009
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