Retired Contra Costa County Chief Investigator Paul Holes devoted over 20 years of his career to the search and identification of the Golden State Killer. It was Paul's idea to use investigative genealogy which led law enforcement to suspect Joseph James DeAngelo who has since been arrested and charged as the Golden State Killer. Discover how a general interest in science led Paul down the forensic DNA path, when he was first introduced to the East Area Rapist/Original Nightstalker cases, what he learned in a random conference call that inspired him to assemble a genealogy team, and why his pursuit of the Golden State Killer followed him throughout his career. Paul also speaks to some of the other high profile cases he's worked in his career.

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