U.S. Navy · United States 
Lawrence Prehn
2021
Lawrence J. Prehn served the U.S. Navy for 4 years. Lawrence also served in the U.S. Navy.
How He Died
Manner
Natural
Cause
Natural disease, unspecified
Mechanism
Aircraft
What Happened
Police Officer Lawrence Prehn 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.
Officer Prehn was a United States Navy veteran and had served with the New York City Police Department for 25 years.
Officer Prehn was a United States Navy veteran and had served with the New York City Police Department for 25 years.
Survivors
He is survived by his wife, daughter, father, stepmother, mother-in-law, sister, uncle, niece, and nephew.
Service Record
U.S. Navy
1983 – 1987
U.S. Navy
Also Served
New York City Police Department
Police Officer
In Our Keeping
Permanent identifier
neuraspine_01krbxtp5qq5a90x9s4h1end6v
Record added
August 2, 2026
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Last updated
August 2, 2026
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