U.S. Air Force · United States 
Mark Seymour Decker
1986
Mark S. Decker served the U.S. Air Force for 4 years. Mark served in the Vietnam War and the Cold War.
How He Died
Manner
Homicide
Cause
Gunshot wound
Mechanism
Firearm
What Happened
Police Officer Mark Decker and Police Officer Leonard Wilcox were shot and killed while attempting to question a suspicious man at the Brecksville VA Hospital in Cleveland, Ohio. Both officers were armed only with mace due to administrative guidelines. While the officers were talking with the man he pulled out a .45 caliber handgun and shot Officer Decker, killing him instantly. Officer Wilcox attempted to run for cover, but the suspect chased him before shooting him as well. The 28-year-old suspect was convicted of two counts of murder and sentenced to two life terms. He will be eligible for parole on October 1, 2046. Officer Decker was single and had served in law enforcement for 11 years.
Service Record
U.S. Air Force
1975 – 1979
Conflicts
Vietnam War
Cold War
Also Served
United States Department of Veterans Affairs Police Services
Police Officer
In Our Keeping
Permanent identifier
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Record added
August 2, 2026
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Last updated
August 2, 2026
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