Uploaded June 2022 | Updated September 2026, 2 weeks ago

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Sources:
3:02 Sir Alec Jeffreys image: Jane Gitschier, CC BY 2.5 creativecommons.org/licenses/by/2.5 via Wikimedia Commons
7:36 Janelle Cruz image: @JanneSister on Twitter

Images of Joseph James DeAngelo and victims' loved ones in court sourced from Alamy

Articles referenced:
4:59 Los Angeles Times article latimes.com/california/story/2020-12-08/man-in-the-window