Roll of Honor

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Trooper First Class

Walter Greene Jr.

Connecticut State Police — Middletown, CT

Veteran → Illness

End of Watch May 31, 2018

Age 51

Tour of Duty 28 yrs

The Vigil Panel 168 ›

Gender Male

Incident Service The Sacrifice Military Department 25

Incident

Location: New York Incident Date: Tuesday, September 11, 2001 Weapon: Aircraft; Passenger jet Offender: 19 suicide attackers

Trooper First Class Walter Greene died from illnesses he contracted while inhaling toxic materials as he participated in the rescue and recovery efforts at the World Trade Center site following the terrorist attacks on September 11, 2001.

Trooper Greene and his canine, along with other members of the Connecticut State Police's search and rescue team, had responded to the World Trade Center immediately following the attacks to search for possible survivors.

Trooper Greene was a U.S. Marine Corps veteran and had served with the Connecticut State Police for 28 years.

September 11, 2001 - The Years After

Trooper First Class Walter Greene Jr. was assigned to the search and recovery at the World Trade Center site after September 11, 2001. He was 35 years old that fall.

He died on May 31, 2018 - 16 years and 8 months later - of an illness contracted there. He was 51.

He is one of 599 officers honored here, and one of 2 at Connecticut State Police.

The most recent of these deaths was October 24, 2025.

Officers who worked the search, rescue, and recovery at the World Trade Center site breathed contaminated air for weeks and months afterward. Many developed cancers and respiratory disease, and they have gone on dying of it ever since.

Seventy-two officers were killed on the morning itself. Hundreds more have died in the years that followed. They are honored here together, because the same attack killed them all. With some it simply took longer.

Survivors

He is survived by his wife and three sons.

In Our Keeping

Permanent identifier: BO-US-CT-DC556DFE
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 Walter. Claim this record.

Also honored at salute.nw — U.S. Marine Corps. One record, 2 gates. Walter is one person.

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Tributes

You walked into it and it took years to finish the job.
Trooper First Class Greene gave the Connecticut State Police 28 years.
Thank you for your service to the people of Connecticut. Gone but never to be forgotten.
Rest easy, Trooper First Class Greene.

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

Agency

Department Connecticut State Police

Type State Police

Location Middletown, CT

Platform Identity csp.ct.us.gov.nw

Service Record

End of Watch May 31, 2018

Tour of Duty 28 yrs

Age 51

Gender Male

Incident Details

Cause Illness

Weapon Aircraft; Passenger jet

Military Service

Walter Greene Jr. served in the U.S. Marine Corps before joining law enforcement.

View full service record on salute.nw →

Trooper First Class Walter Greene Jr. is one of 1 officers lost to illness connected to their service across the full record of this memorial — 0% of all 97,772 officers honored here.

In CT, 7 of 169 officers were lost to illness connected to their service — 4.1% of this state's fallen. That is 4.1 percentage points above the national rate of 0%.

At Connecticut State Police, 2 of 26 officers on record were lost to illness connected to their service — 7.7% of this agency's fallen.

Connecticut State Police

of 26 officers

7.7% Illness

CT — Statewide

of 169 officers

4.1% Illness

Nationwide

of 97,772 officers

0% Illness