Cold case investigators have turned to forensic genetic genealogy to try to identify potential suspects from DNA in public databases like ancestry sites that have tens of millions of users worldwide.
In fact, this fairly new technique is how Bryan Kohberger was named as a suspect in the University of Idaho killings. It was also how the Golden State killer, Joseph James DeAngelo Jr., was caught.
So far, more than 400 cases have been solved using forensic genealogy, according to a report by The Institution of Engineering and Technology.
The problem is that it’s expensive for local law enforcement agencies.
Full story: Police use forensic genetic genealogy to solve crimes