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William OBrien Missing Person Case

Last seen in San Diego, California on Dec 01, 1999

Victim Details

Feb 15, 2023

Jan 12, 2024

William

OBrien

66

40

64 inches

150 lbs

White / Caucasian

Male

Dec 01, 1999

San Diego

California

San Diego County

92109

No

123233

San Diego Police Department

San Diego

California

San Diego County

92101

Anna Glazewski

Detective- Missing Persons

1401 Broadway, California

6195312000

Local

Law Enforcement

https://www.sandiego.gov/police

23-500216

2023-02-14

San Diego Police Department

Brown

Hazel

Hazel

Yes

07/19/2026


Area Last Seen:

Case Description    (LOCATED)

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On December 1, 1999, 40-year-old William Cothburn O'Brien was last seen in San Diego, California. Standing at 5 feet 4 inches tall and weighing approximately 150 pounds, O'Brien had brown hair and hazel eyes. The circumstances surrounding his disappearance remain unclear, with limited details available.

At the time of his disappearance, O'Brien was reported missing to the San Diego Police Department. The case was assigned to Detective Anna Glazewski of the Missing Person ...
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Last Seen: Dec 01, 1999

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Forum Posts (3)

I was looking into some old missing persons cases and stumbled upon William Cothburn O'Brien. It's w... ...Read More
10/31/2024
I’ve been researching the case of William Cothburn O'Brien, and something that really stands out t... ...Read More
07/20/2024
Has anyone else noticed how many cases around that late '90s-2000s time frame have just a complete l... ...Read More
03/27/2024
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