Crime at 300 BLOCK OF N CLAREMONT ST on 09/06/2026 9:42 PM
Type: Other
Date: 09/06/2026 9:42 PM
Description: Public Disturbance. DISTURBANCE. Disposition:Completed. Incident #:202609060128
Address: 300 BLOCK OF N CLAREMONT ST, San Mateo, CA
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Area Missing Persons
Name
Clemmie MathisMissing Age
27Est. Current Age
66Last Seen
Oakland, CA on 04/10/1987Physical Description
Race: Black Ethnicity: African American Gender: Male Hair: Black Eyes: Brown Height: 5'10" Weight: 130 lbsCase Number
MP50222Area Cold Cases
Name
Theresa BrownAge
30Cause of Death
Knife/StabbingInfo
Theresa Brown was found stabbed to death on the Willow Pass grade of Highway 4 after a police officer saw skid marks and found her car down an embankmant. Anyone with information should contact the Contra Costa Sheriff’s Department in Martinez, California at 925-313-2600.Agency
Contra Costa County Sheriff's Office