Roll of Honor
John Mercer Black
Incident
Motorcycle Officer John Black succumbed to injuries received when his motorcycle was struck by a truck traveling at a high rate of speed on Aliso Street near Vignes Street.
He was transported to Georgia Street Receiving Hospital where he succumbed to his injuries.
The truck driver was charged with manslaughter but acquitted at trial.
Officer Black had served with the Los Angeles County Sheriff's Department for one year.
Survivors
He was survived by his family.
In Our Keeping
- Permanent identifier
BO-US-CA-792C028E- Stewardship
- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 sentinel - 1 tribute.
Are you family? This record can be claimed and maintained by those who knew John. Claim this record.
This page is permanent and free. No fee to view it, no advertising, no tracking, and no account required. It will not be taken down.
Tributes
You barely got started.
Motorcycle Officer Black gave the Los Angeles County Sheriff's Department 1 year.
Thank you for your service to the Los Angeles community. Gone but never to be forgotten.
Rest easy, Motorcycle Officer Black.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Motorcycle Officer John Mercer Black is one of 1 officers lost to accidents in the line of duty across the full record of this memorial — 0% of all 97,756 officers honored here.
In CA, 719 of 1,837 officers were lost to accidents in the line of duty — 39.1% of this state's fallen. That is 39.1 percentage points above the national rate of 0%.
At Los Angeles County Sheriff's Department, 50 of 120 officers on record were lost to accidents in the line of duty — 41.7% of this agency's fallen.
National Cause Distribution
How Accident compares to all causes of officer death in the memorial record. John Mercer Black's cause is highlighted.
How John Mercer Black Compares
When Accident Deaths Occur
Monthly distribution of Accident deaths across the full memorial record. John Mercer Black is highlighted in Nov.
Incident Location
Others Who Wore This Badge
119 officers from Los Angeles County Sheriff's Department are honored on badge.nw. Showing the 16 most recent.
