FULL INTERVIEW: Inside the hunt for the 'Golden State Killer' with investigator Paul Holes

SACRAMENTO, Calif. (KGO) -- Paul Holes of the Contra Costa County District Attorney's office was preparing to retire when the biggest moment of his career happened outside the home of John Joseph DeAngelo.

RELATED: CoCo County Investigator Paul Holes is '100 percent sure' they have 'Golden State Killer'

He wanted to solve the case before he retired -- and the stunning conclusion to a decades-long hunt for the "Golden State Killer" is something you'll want to hear straight from him.

"It was definitely an obsession," Holes told ABC7 News.

Click here for the full story and watch the video in the player above for insight into the generation-spanning search for the "Golden State Killer," and justice for the victims he terrorized.

Click here for more stories, photos, and video on the Golden State Killer.

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