GEDmatch's new "opt-in" policy went into effect on Sunday. A change to GEDmatch, a third-party genealogy site that's helped crack cold cases through user's DNA, may hinder law enforcement's ability to ...

Advancements in DNA technology and resources available through genetic genealogy websites, such as GEDMatch, have led to the solving of dozens of cold cases, but its reworked privacy policy may make ...