How They Caught The Golden State Killer

This episode explores how investigative genetic genealogy led to the capture of the Golden State Killer, Joseph DeAngelo, decades after his crimes. While traditional forensic databases like CODIS failed to produce a match, investigators eventually identified the suspect by uploading crime scene DNA to public genealogy websites. This process involves finding distant relatives through shared genetic markers and constructing expansive family trees to narrow down suspects. The source highlights a major paradigm shift in law enforcement, noting that an individual’s identity can now be revealed by the DNA of a third cousin. This technological leap raises significant privacy concerns, as people may be identifiable through databases they never personally joined. Ultimately, the text balances the immense value of solving cold cases against the ethical implications of genetic surveillance.This episode includes AI-generated content.