United States of America
U.S. Army · United States 
Dennis Joseph Vickery
1945 – 2016
Dennis J. Vickery served the U.S. Army for 2 years. Dennis served during the years of the Vietnam War and the Cold War. Dennis was 71 years old.
How He Died
Manner
Natural
Cause
Natural disease, unspecified
Mechanism
Aircraft
9/11 related illness
What Happened
Detective Dennis Vickery died as the result of cancer that he developed following his assignment to the search and recovery efforts at the World Trade Center site following the 9/11 Terrorist Attacks.
Detective Vickery was a U.S. Army veteran. He had served with the NYPD for 30 years and was assigned to the Internal Affairs Bureau.
Detective Vickery was a U.S. Army veteran. He had served with the NYPD for 30 years and was assigned to the Internal Affairs Bureau.
Survivors
He is survived by his wife, two children, and seven grandchildren.
Keepsakes
Service Record
Also Served
New York City Police Department
Detective
Also Remembered
September 11, 2001 — The Years After
In Our Keeping
Permanent identifier
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Record added
August 2, 2026
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Last updated
September 22, 2026
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