Mariposa County Authorities Seek Missing 13-Year-Old Girl

California

By Anthony W. Haddad

Published 3 hours ago on

February 3, 2026

Briella “Luna” Guerriera, 13, went missing from her Mariposa home Feb. 2, 2026, authorities said. (Mariposa County SO)

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Mariposa County authorities are searching for a 13-year-old girl who went missing from her home in the Lush Meadows area.

Briella “Luna” Guerriera was last seen at her residence between 9:30 p.m. on Feb. 1 and 6:15 a.m. on Monday, according to the Mariposa County Sheriff’s Office.

Briella left on foot, heading to an unknown location.

She is described as 5-foot-3, 96 pounds, thin, with blue eyes, and brown hair. She was last seen wearing pajamas and may have been carrying a black backpack.

Got a Tip?

Authorities ask anyone with information regarding Guerriera to contact the Mariposa County Sheriff’s Office at (209) 966-3615.

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Anthony W. Haddad,

Multimedia Journalist

Anthony W. Haddad, who graduated from Cal Poly San Luis Obispo with his undergraduate degree and attended Fresno State for a MBA, is the Swiss Army knife of GV Wire. He writes stories, manages social media, and represents the organization on the ground.