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DUI Crash Kills 83-Year-Old Pedestrian in Lake Forest, CA | Lake Forest Pedestrian Accident Lawyer

FATAL DUI CRASH – DRIVER ARRESTED

DUI Crash Kills 83-Year-Old Pedestrian in Lake Forest, CA

Beverly Law
Published by Beverly Law
September 10, 2026 · 4 min read
Portola Parkway and Market Place, Lake Forest, CA
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Street View of the intersection of Portola Parkway and Market Place in Lake Forest, CA, where the fatal DUI crash occurred. Source: Google Maps.
KEY DETAILS
DATE & TIME
The crash happened around 8 p.m. on Thursday, September 10, 2026.
LOCATION
Portola Parkway and Market Place, Lake Forest, CA
VICTIM
An 83-year-old man was struck as a pedestrian and later died from his injuries at a local hospital.
ROAD CLOSURES
No road closures were reported by authorities following the collision.
INVESTIGATION
The Orange County Sheriff’s Department’s Major Accident Investigation Team is investigating; the driver was arrested on suspicion of DUI.

An 83-year-old man died Thursday night after being struck by a vehicle while walking near the intersection of Portola Parkway and Market Place in Lake Forest, California. Orange County Sheriff’s deputies responded to the scene around 8 p.m. and found the victim on the ground with severe injuries. He was rushed to a local hospital, where he was later pronounced dead. The driver, identified as 48-year-old Sean Micheal Kooklin of Lake Forest, was arrested on suspicion of driving under the influence.

According to Patch, deputies with the Orange County Sheriff’s Department’s Major Accident Investigation Team (MAIT) are leading the investigation into the fatal collision. The victim’s identity has not been released as authorities work to notify next of kin. Kooklin was booked into the Orange County Jail following his arrest. Anyone with information about the crash is asked to contact MAIT investigators or Orange County Crime Stoppers.

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Patch
@patch · Sep 11, 2026

DUI Crash Killed 83-Year-Old Man In Lake Forest, Deputies Say

Lake Forest, CA Patch
Photo: Lake Forest, CA Patch
Sep 11, 2026 · View on X

Where It Happened

The intersection of Portola Parkway and Market Place in Lake Forest, California, where the fatal DUI crash occurred

Interactive map — crash location
Street View — crash location

What the Law Says

California Vehicle Code 23153 makes it a crime to drive under the influence of alcohol or drugs and, in doing so, cause bodily injury to another person. Unlike a standard DUI charge, this offense requires prosecutors to prove that the impaired driving directly caused the victim’s injuries. A conviction can bring both criminal penalties and civil liability for the victim’s medical costs and other losses.

When a DUI crash results in a death, California Penal Code 191.5 allows prosecutors to charge gross vehicular manslaughter while intoxicated, a felony that can carry significant prison time. The law targets drivers whose impaired conduct amounts to a gross deviation from the standard of care a reasonable person would use. Family members of a victim killed in such a crash may also pursue a wrongful death claim against the at-fault driver.

This summary is general information, not legal advice. Every case depends on its specific facts.

How Beverly Law Can Help

If you lost a loved one in this accident, our attorneys can help you understand your options. Free consultation, English & Spanish, and no fee unless we win.

Editorial note: Beverly Law publishes accident reports as a public service, based on information from official traffic authorities, local news outlets, and public records. If you are a family member of the victim and would like information added, corrected, or removed, please contact our editorial team: intakeassistant5@beverlylaw.org

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