DNA is relatively new to the crime scene. Forensic investigators started using DNA in the 1990’s when it became highly reliable in proving criminal activity in people.
DNA is gathered at crime scenes and it allows police to pin point who exactly was at the crime scene. From there, they can conclude who and how the crime was committed. Examples include matching DNA at crime scenes, recognizing familial relationships and paternity testing.
DNA has proven to be a highly valuable tool and will continue to help forensic science.
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