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Law enforcement agencies routinely run DNA they collect at crime scenes through the state DNA database, checking if it matches anyone whose genetic material is on file there. Allowing a familial DNA search would also allow scientists to see if the DNA police submit might belong to someone related to a person on file in the database.
Spokespeople for the state Department of Criminal Justice Services and the NYPD said their offices are reviewing the decision. The state has the right to appeal the decision.