Crime Scene DNA Can Lead to Knock on Relative's Door

What do you tell a detective who says you are genetically related to a criminal and wants to know who you think it might be? It is not an abstract question. Investigators may soon routinely trace suspects using their relatives' DNA — a technique that could solve more crimes but that causes critics to fear for innocent people's privacy.

What do you tell a detective who says you are genetically related to a criminal and wants to know who you think it might be?

It is not an abstract question. Investigators may soon routinely trace suspects using their relatives' DNA — a technique that could solve more crimes but that causes critics to fear for innocent people's privacy.

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