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Alfonse Joseph Niedermeyer III
Incident
Officer Alfonse Niedermeyer was killed in the September 11, 2001, terrorist attacks while attempting to rescue the victims trapped in the World Trade Center.
He was last seen rushing into the South Tower.
Officer Niedermeyer had served with the Port Authority of New York and New Jersey Police Department for 17 years. In 1992, he received a citation for rescuing passengers from a US Airways jet that skidded off a runway at LaGuardia Airport. He was survived by his expectant wife and son. His daughter was born in May 2002.
September 11, 2001
Police Officer Alfonse Joseph Niedermeyer III was killed at the World Trade Center on the morning of September 11, 2001. He was 40 years old.
He is one of 71 officers honored here, and one of 37 at Port Authority of New York and New Jersey Police Department.
Seventy-two law enforcement officers from eight local, state, and federal agencies were killed at the World Trade Center on the morning of September 11, 2001, alongside 343 members of the New York City Fire Department and more than 2,800 civilians. A fourth aircraft went down in a field near Shanksville, Pennsylvania, where a law enforcement officer aboard was among the dead.
Officers went into the towers while everyone else was coming out. More than 25,000 people reached safety because they did.
Survivors
He was survived by his expectant wife and son.
In Our Keeping
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- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- August 2, 2026
- Last updated
- September 21, 2026
Honored here by 1 tribute.
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Also honored at requiem.nw. One record, 2 gates. Alfonse is one person.
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Tributes
You went in while everyone else was coming out.
Police Officer Niedermeyer gave the Port Authority of New York and New Jersey Police Department 17 years.
Thank you for your service to the Jersey City community. Gone but never to be forgotten.
Rest easy, Police Officer Niedermeyer.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Felonious
Port Authority of New York and New Jersey Police Department has lost 60 officers; 41 of them killed feloniously.
Alfonse is one of 264 officers killed feloniously in NJ, 40.8% of the 647 remembered there.
Alfonse is one of 15,743 officers killed feloniously in the United States, 57.1% of the 27,552 remembered there.
Alfonse is one of 17,623 officers killed feloniously worldwide, 51.7% of the 34,103 remembered here.
34,103 officers are remembered on this memorial. Each number below is one of them.
Time
In 2001, 37 officers at Port Authority of New York and New Jersey Police Department were killed feloniously, more than in any other year.
In 2001, 39 officers in NJ were killed feloniously, more than in any other year.
In 2001, 158 officers in the United States were killed feloniously, the 23rd heaviest of 213 years on record. The heaviest was 1921, with 248.
In 2001, 160 officers worldwide were killed feloniously, the 27th heaviest of 265 years on record. The heaviest was 1921, with 516.
Who
Alfonse was 40. Of the 41 killed feloniously at Port Authority of New York and New Jersey Police Department whose age is recorded, half were between 32 and 47; the middle age was 41. Alfonse had served 17 years; the middle length of service was 14.5 years.
Alfonse was 40. Of the 247 killed feloniously in NJ whose age is recorded, half were between 30 and 47; the middle age was 38. Alfonse had served 17 years; the middle length of service was 9 years.
Alfonse was 40. Of the 14,219 killed feloniously in the United States whose age is recorded, half were between 31 and 47; the middle age was 38. Alfonse had served 17 years; the middle length of service was 6 years.
Alfonse was 40. Of the 15,853 killed feloniously worldwide whose age is recorded, half were between 30 and 46; the middle age was 38. Alfonse had served 17 years; the middle length of service was 6 years.
When
September holds 92.7% of these deaths at Port Authority of New York and New Jersey Police Department, more than any other month. Tuesdays: 90.2%.
September holds 23.9% of these deaths in NJ, more than any other month. Tuesdays: 22.7%.
September holds 9.1% of these deaths in the United States; December holds the most, 9.4%. Tuesdays: 13.4%.
September holds 8.8% of these deaths worldwide; December holds the most, 9.2%. Tuesdays: 13.3%.
How
Felonious deaths account for 68.3% of all 60 deaths at Port Authority of New York and New Jersey Police Department, the most common cause. The weapon recorded was aircraft; passenger jet, in 90.2% of these deaths.
Felonious deaths account for 40.8% of all 647 deaths in NJ, the most common cause. The weapon recorded was aircraft; passenger jet, in 14% of these deaths.
Felonious deaths account for 57.1% of all 27,552 deaths in the United States, the most common cause. The weapon recorded was aircraft; passenger jet, in 0.5% of these deaths.
Felonious deaths account for 51.7% of all 34,103 deaths worldwide, the most common cause. The weapon recorded was aircraft; passenger jet, in 0.4% of these deaths.
His people
Port Authority of New York and New Jersey Police Department has 60 officers remembered here, Alfonse among them.
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Bertram Winkler
Mar 21, 1972
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Arthur Milton Ansert Jr.
Oct 8, 1973
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Henry J. Koebel
May 26, 1978
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William J. Perry
Dec 22, 1980
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Scott R. Parker
Sep 5, 1983
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George Gerard Howard
Sep 11, 2001
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Christopher Charles Amoroso
Sep 11, 2001
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Maurice Vincent Barry
Sep 11, 2001
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Liam Callahan
Sep 11, 2001
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Robert Dominick Cirri, Sr.
Sep 11, 2001
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Clinton Davis, Sr.
Sep 11, 2001
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Donald A. Foreman
Sep 11, 2001
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Gregg John Froehner
Sep 11, 2001
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Thomas Edward Gorman
Sep 11, 2001
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Uhuru Gonja Houston
Sep 11, 2001
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Stephen Huczko, Jr.
Sep 11, 2001
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Anthony Peter Infante, Jr.
Sep 11, 2001
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Paul William Jurgens
Sep 11, 2001
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Robert Michael Kaulfers
Sep 11, 2001
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Paul Laszczynski
Sep 11, 2001
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David Prudencio LeMagne
Sep 11, 2001
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John Joseph Lennon, Jr.
Sep 11, 2001
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John Dennis Levi
Sep 11, 2001
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James Francis Lynch
Sep 11, 2001
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Kathy Nancy Mazza
Sep 11, 2001
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Ferdinand V. Morrone
Sep 11, 2001
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Donald James McIntyre
Sep 11, 2001
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Walter Arthur McNeil
Sep 11, 2001
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Joseph Michael Navas
Sep 11, 2001
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James A. Nelson
Sep 11, 2001
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Alfonse Joseph Niedermeyer III
Sep 11, 2001
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James Wendell Parham
Sep 11, 2001
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Bruce Albert Reynolds
Sep 11, 2001
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Antonio Jose Rodrigues
Sep 11, 2001
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Richard Rodriguez
Sep 11, 2001
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James A. Romito
Sep 11, 2001
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John P. Skala Jr.
Sep 11, 2001
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Walwyn Wellington Stuart, Jr.
Sep 11, 2001
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Kenneth Francis Tietjen
Sep 11, 2001
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Nathaniel Webb
Sep 11, 2001
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Michael T. Wholey
Sep 11, 2001
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Dominick A. Pezzulo
Sep 11, 2001
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John Mark Cortazzo
Mar 14, 2009
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Pavlos D. Pallas
Mar 14, 2011
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Steven John Tursellino
Sep 13, 2013
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Vincent Joseph Oliva
Nov 27, 2013
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Lawrence A. Guarnieri
Nov 4, 2014
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Charles Barzydlo
Jul 17, 2016
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Mark J. Meier
Jul 31, 2017
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John J. Brant
Jul 19, 2018
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Michael Edmund Teel
Mar 21, 2019
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William James Leahy
Jun 6, 2019
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Thomas M. Inman
Apr 12, 2020
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William E. Doubraski
Nov 23, 2020
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Lawrence Rand
Apr 8, 2021
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Frederick G. Maley
Jul 17, 2022
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David J. Lee
Jul 29, 2022
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Richard Louis Ruiz, Sr.
Nov 18, 2023
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John M. Collins
Apr 26, 2024
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Anthony J. Mezzacappa, Jr.
May 14, 2024
Where
Where the Name Is Cut
National September 11 Memorial · Panel 28
What is kept
Photographs, film, sound and papers — what survived a life.
Also Remembered
National September 11 Memorial — requiem.nw →
Others Who Wore This Badge
59 officers from Port Authority of New York and New Jersey Police Department are honored on badge.nw. Showing the 16 most recent.
