William Francis Mertz
Agency patch
Detective

William Francis Mertz

Bloomfield Police Department — Bloomfield, NJ
Felonious
End of Watch December 18, 1915
The Vigil Panel 30 ›
Gender Male

Incident

Detective William Mertz and Detective Robert Shannon, of the East Orange Police Department, were shot and killed while they and two other officers attempted to arrest a murder suspect. The other two officers were wounded. Detective Mertz succumbed to his wounds three days after the shooting. The 57-year-old suspect was apprehended in Newburg, New York, on August 27, 1916. Two months later he was convicted of two counts of murder and sentenced to death. His sentence was later commuted to life.

In Our Keeping

Permanent identifier
BO-US-NJ-7F3572B2
Stewardship
Maintained by NeuraWeb Global Inc.
Added to badge.nw
August 2, 2026
Last updated
August 2, 2026

Honored here by 1 tribute.

Are you family? This record can be claimed and maintained by those who knew William. 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

I never knew you. I am standing here anyway.
Detective Mertz served with the Bloomfield Police Department.
Thank you for your service to the Bloomfield community. Gone but never to be forgotten.
Rest easy, Detective Mertz.

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

Agency

Type Police Department
Location Bloomfield, Essex County, NJ
Platform Identity bloopd.essex.nj.us.gov.nw

Service Record

End of Watch December 18, 1915
Gender Male

Incident Details

Cause Felonious
Weapon Handgun

Detective William Francis Mertz is one of 1 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 0% of all 97,772 officers honored here.

In NJ, 229 of 646 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 35.4% of this state's fallen. That is 35.4 percentage points above the national rate of 0%.

At Bloomfield Police Department, 1 of 2 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 50% of this agency's fallen.

Bloomfield Police Department
1
of 2 officers
50% Felonious
NJ — Statewide
229
of 646 officers
35.4% Felonious
Nationwide
1
of 97,772 officers
0% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. William Francis Mertz's cause is highlighted.

Felonious
1 (0%)
Accident
1 (0%)
Illness
1 (0%)
Cardiac
1 (0%)
Undetermined
1 (0%)
Suicide
1 (0%)

How William Francis Mertz Compares

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. William Francis Mertz is highlighted in Dec.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,516
May
1,504
Jun
1,442
Jul
1,587
Aug
1,517
Sep
1,491
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths. William Francis Mertz was killed by handgun.

Handgun
3,684
Gun
3,592
Gun; Unknown type
1,492
Shotgun
1,109
Rifle
935
Officer's handgun
909

Others Who Wore This Badge

1 officer from Bloomfield Police Department are honored on badge.nw.