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.
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.