James J. Mancusi, Jr.

San Francisco Police Department — San Francisco, CA

Felonious

End of Watch June 18, 1965

Age 36

The Vigil Panel 100 ›

Gender Male

Incident Service The Sacrifice Department 105

Incident

Officer Mancusi was struck and killed while on his motorcycle by a 17-year-old youth who ran a stop sign. The suspect was fleeing from the scene of a hit-and-run accident. He surrendered himself to the police the next day and told authorities he fled because he had no insurance. The suspect was convicted of manslaughter and sentenced to 6 years in prison.

Survivors

Officer Mancusi was survived by his wife and seven children.

In Our Keeping

Permanent identifier: BO-US-CA-B686583A
Stewardship: Maintained by NeuraWeb Global Inc.
Added to badge.nw: April 2, 2026
Last updated: July 23, 2026

Honored here by 1 sentinel - 1 tribute.

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Tributes

I never knew you. I am standing here anyway.
Officer Mancusi served with the San Francisco Police Department.
Thank you for your service to the San Francisco community. Gone but never to be forgotten.
Rest easy, Officer Mancusi.

— S. Vincent Anthony, U.S. Army 1985-1993

Agency

Department San Francisco Police Department

Location San Francisco, CA

Platform Identity sfpd.sf.ca.us.gov.nw

Service Record

End of Watch June 18, 1965

Age 36

Gender Male

Incident Details

Cause Felonious

Weapon Automobile

Offender motorcycle

Officer James J. Mancusi, Jr. is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.

In CA, 974 of 1,837 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 53% of this state's fallen. That is 1.2 percentage points below the national rate of 54.2%.

At San Francisco Police Department, 66 of 106 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 62.3% of this agency's fallen.

San Francisco Police Department

of 106 officers

62.3% Felonious

CA — Statewide

974

of 1,837 officers

53% Felonious

Nationwide

17,623

of 32,508 officers

54.2% Felonious