William Noguera spent 42 years in San Quentin on California’s death row. There, he lived alongside notorious serial killers, including Joseph Naso, the “Alphabet Killer.” Naso eventually confided in Noguera, revealing details of crimes that had never been solved. Offered a path to freedom, Noguera instead chose to stay on death row to help bring justice to Naso’s unidentified victims.

Artist, speaker, and former death row inmate William Noguera details how he uncovered the truth, as detailed in the new true-crime docuseries Death Row Confidential.

For more on this story, listen to Emily's past episode with Detective Ken Mains.

Follow Emily on Instagram: @realemilycompagno

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