Assault at 48900 BLOCK OF CANYON HOUSE RD on 01/21/2026 1:23 PM
Type: Assault
Date: 01/21/2026 1:23 PM
Description: Assault with a deadly weapon (245). This report is from San Bernardino County Sheriff media call summary log. Information may be subject to change.
Address: 48900 BLOCK OF CANYON HOUSE RD, San Bernardino County, CA
Case Number: MBR2600114
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Area Missing Persons
Name
Roger CampbellMissing Age
61Est. Current Age
67Last Seen
Banning, CA on 08/17/2019Physical Description
Race: Black Ethnicity: Gender: Male Hair: Black Eyes: Black Height: 5'8" Weight: 180 lbsCase Number
19-1789Area Cold Cases
Name
Ralph KnappenbergerAge
Cause of Death
HomicideInfo
On 10/02/1982, deputies were dispatched to Ralph’s residence, which was located at 31462 Yucaipa Blvd., Yucaipa. Upon arrival, deputies located Ralph inside his apartment. Ralph was severely beaten and was transported to Loma Linda hospital. Ralph died on 02/14/1983 while in the Intensive Care Unit. Ralph’s vehicle was stolen during the assault and was located in Riverside.Agency
San Bernadino