Death row inmate reveals Joseph Naso confessed to murdering 26 women

One of California’s most notorious killers is back in the spotlight as a new documentary revisits his crimes and uncovers even darker secrets.

Joseph Naso, the former photographer convicted in 2013 of killing four women, is now claiming he actually killed 26 women. The bombshell confession comes from a fellow death row inmate, William Noguera, who spent more than a decade building trust with Naso inside California’s infamous San Quentin State Prison.

The chilling revelations are featured in a new Oxygen documentary, “Death Row Confidential: Secrets of a Serial Killer,” premiering Sept. 13.

“He’s guilty of more than anyone knows,” Noguera says during a preview of the new series. “He told me everything, and I wrote all of it down.” 

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Double Life Exposed

Naso’s double life stunned the country. He was a father of two, Little League coach, and school photographer by day – and a sadistic killer by night. Investigators found photographs of what appeared to be dead women among his belongings, along with what investigators dubbed a “hit list,” containing ten cryptic descriptions of female victims.

Even after a jury handed down a death sentence, Naso continued to maintain his innocence in interviews, including an exclusive interview with KGO.

Convicted Killer Confides in Convicted Killer

Noguera, who is also on death row for a 1983 murder, was assigned to assist elderly prisoners as part of a prison disability program, which is where he connected with Naso. Over 10 years, the two developed what was described by several media outlets as an “unusual” relationship. 

Noguera told the outlet that Naso eventually opened up, and offered the stunning admission.

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In this April 13, 2011, file photo, Joseph Naso appears in Marin County Superior Court during his arraignment on murder charges in San Rafael, California. (AP)

“When I told him, ‘Well, look, they got you because a list of 10,’ he started laughing,” Noguera recalled. “He said, ‘They got it all wrong….