CA MAMMOTH LAKES JANE DOE: F, 20-40, human skull found in Mammoth Lakes, CA - 26 May 2003 *ISABEL SANCHEZ BERNAL*


NamUs #UP52627

The National Missing and Unidentified Persons System (NamUs)


On 5/26/2003 a human skull was found by a resident walking a dog. On 5/29/2003 additional remains, clothing and personal belongings were found nearby in a shallow grave apparently dug up by animals. The deceased was a petite, adult female who had at least one prior, full-term pregnancy during life. She may have spent time prior to her death in the White Mountain area near Piute Creek or the Valentine Reserve Ecological Area.

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Mono County Sheriff's Office identifies remains 18 years after body found and make arrest​

Recently, with the advancements of DNA technology, investigators were able to identify those human remains to be that of a person positively identified as 30-year-old Isabel Sanchez Bernal, from Puebla, Mexico. Since the remains were identified, investigators from the Mono County Sheriff's Office have been working to solve the murder of Isabel.

On Friday, August 13, 2021, 47-year-old Mammoth Lakes resident Diego Santiago Hernandez-Antonia was arrested and is being held at the Mono County Sheriff’s jail facility on a no-bail arrest warrant for the murder of Isabel.



Let's Find Michael Bryson!
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Isabell was found not far from where I grew up and I’ve always wondered who she was. I’m so glad that the Mono County Sheriff’s Department sent her in for testing ! They aren’t a huge department and I’m very proud of them right now.

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