From DNA of Family, a Tool to Make Arrests
Ellen Nakashima reports on the Washington Post that law enforcement is now using DNA of family members to identify suspected criminals. She writes:
The BTK case was an early use of an emerging tool in law enforcement: analyzing the DNA of a suspect’s relatives. In the BTK example, police had a suspect and were looking to tie him to the crime. But now, states are moving to conduct familial searches of criminal databases, looking for close-to-perfect matches with DNA from crime scenes. A partial match with a convicted criminal could implicate a brother or daughter or father of the convict. Such searches, advocates say, constitute a powerful law enforcement tool that, experts say, could increase by 40 percent the number of suspects identified through DNA.
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