Event Brief
21-year-old dies in alleged street racing crash
By The BriefBrief · Sources (2)
Filed: Aug 22, 2026 at 8:00 AM ET
Summary: A 21-year-old woman died in a solo-vehicle crash near Los Alisos Boulevard and Mustang Run in Mission Viejo, authorities said. Deputies found the preliminary cause was street racing; the 20-year-old driver, along with the victim’s 20-year-old brother, were arrested for vehicular manslaughter with gross negligence.
WHO: Shalia Deciderio; Jaimie Rojas; Aiden Deciderio; Orange County Sheriff’s Department deputies
WHAT: A fatal crash tied to alleged street racing; arrests for vehicular manslaughter with gross negligence.
WHEN: Aug 20, 2026
WHERE: Mission Viejo, CA
WHY: The preliminary investigation found the cause of the accident was street racing.
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