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.
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- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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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
Service Record
Incident Details
The Sacrifice · Felonious
Bloomfield Police Department has lost 2 officers; 1 of them killed feloniously.
William is one of 264 officers killed feloniously in NJ, 40.8% of the 647 remembered there.
William is one of 15,743 officers killed feloniously in the United States, 57.1% of the 27,551 remembered there.
William is one of 17,631 officers killed feloniously worldwide, 51.7% of the 34,117 remembered here.
34,117 officers are remembered on this memorial. Each number below is one of them.
Time
In 1915, 3 officers in NJ were killed feloniously, the 20th heaviest of 101 years on record. The heaviest was 2001, with 39.
In 1915, 152 officers in the United States were killed feloniously, the 26th heaviest of 213 years on record. The heaviest was 1921, with 248.
In 1915, 157 officers worldwide were killed feloniously, the 29th heaviest of 265 years on record. The heaviest was 1921, with 516.
When
December holds 8.7% of these deaths in NJ; September holds the most, 23.9%. Saturdays: 10.2%.
December holds 9.4% of these deaths in the United States, more than any other month. Saturdays: 16.3%.
December holds 9.2% of these deaths worldwide, more than any other month. Saturdays: 16.2%.
How
Felonious deaths account for 50% of all 2 deaths at Bloomfield Police Department, the most common cause. The weapon recorded was handgun, in 100% of these deaths.
Felonious deaths account for 40.8% of all 647 deaths in NJ, the most common cause. The weapon recorded was handgun, in 23.5% of these deaths.
Felonious deaths account for 57.1% of all 27,551 deaths in the United States, the most common cause. The weapon recorded was handgun, in 23.4% of these deaths.
Felonious deaths account for 51.7% of all 34,117 deaths worldwide, the most common cause. The weapon recorded was handgun, in 20.9% of these deaths.
His people
Bloomfield Police Department has 2 officers remembered here, William among them.
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 21-E
What is kept
Photographs, film, sound and papers — what survived a life.
Others Who Wore This Badge
1 officer from Bloomfield Police Department are honored on badge.nw.
