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Thomas Paul Marzilli
Incident
Special Agent Thomas Marzilli suffered a fatal heart attack while participating in his department's physical fitness program.
He collapsed while jogging at the Washington Navy Yard, in Washington, DC. He was transported to a local hospital where he was pronounced dead.
Agent Marzilli had served with the Naval Criminal Investigative Service for 21 years.
Survivors
He was survived by his wife and three children.
In Our Keeping
- Permanent identifier
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- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
21 years. You could have gone home.
Special Agent Marzilli gave the United States Naval Criminal Investigative Service 21 years. Still answering calls at the end.
Thank you for your service. Gone but never to be forgotten.
Rest easy, Special Agent Marzilli.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Cardiac
United States Naval Criminal Investigative Service has lost 6 officers; 1 of them lost to cardiac events.
Thomas is one of 25 officers lost to cardiac events in VA, 3.8% of the 653 remembered there.
Thomas is one of 1,307 officers lost to cardiac events in the United States, 4.7% of the 27,551 remembered there.
Thomas is one of 1,309 officers lost to cardiac events worldwide, 3.8% of the 34,102 remembered here.
34,102 officers are remembered on this memorial. Each number below is one of them.
Time
In 2004, 2 officers in VA were lost to cardiac events, the 2nd heaviest of 21 years on record. The heaviest was 1962, with 3.
In 2004, 16 officers in the United States were lost to cardiac events, the 24th heaviest of 139 years on record. The heaviest was 2014, with 24.
In 2004, 16 officers worldwide were lost to cardiac events, the 24th heaviest of 139 years on record. The heaviest was 2014, with 24.
Who
Thomas was 48. Of the 23 lost to cardiac events in VA whose age is recorded, half were between 40 and 50; the middle age was 47. Thomas had served 21 years; the middle length of service was 12 years.
Thomas was 48. Of the 1,249 lost to cardiac events in the United States whose age is recorded, half were between 43 and 55; the middle age was 48. Thomas had served 21 years; the middle length of service was 15 years.
Thomas was 48. Of the 1,251 lost to cardiac events worldwide whose age is recorded, half were between 42.5 and 55; the middle age was 48. Thomas had served 21 years; the middle length of service was 15 years.
When
July holds 8% of these deaths in VA; December holds the most, 24%. Mondays: 12%.
July holds 7.2% of these deaths in the United States; January holds the most, 9.6%. Mondays: 12.9%.
July holds 7.2% of these deaths worldwide; January holds the most, 9.5%. Mondays: 13%.
How
Cardiac deaths account for 16.7% of all 6 deaths at United States Naval Criminal Investigative Service, the 2nd most common cause.
Cardiac deaths account for 3.8% of all 653 deaths in VA, the 3rd most common cause.
Cardiac deaths account for 4.7% of all 27,551 deaths in the United States, the 4th most common cause.
Cardiac deaths account for 3.8% of all 34,102 deaths worldwide, the 4th most common cause.
His people
United States Naval Criminal Investigative Service has 6 officers remembered here, Thomas among them.
Where
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 11-W
What is kept
Photographs, film, sound and papers — what survived a life.
Others Who Wore This Badge
5 officers from United States Naval Criminal Investigative Service are honored on badge.nw.
