U.S. Marine Corps · United States 
William Marsek
1974
William Charles Marsek served the U.S. Marine Corps.
How He Died
Manner
Homicide
Cause
Gunshot wound
Mechanism
Firearm
What Happened
Police Officer William Marsek and Police Officer Bruce N. Garrison were killed during the arrest of a wanted fugitive. The two officers, assigned to Area Six Special Operations, observed the man enter a tavern at 1818 West Foster Avenue. When the officers entered the tavern, they could not see because of the poor lighting. As the officers moved further inside, the wanted subject opened fire, striking them in the head and chest. The assailant fled to Milwaukee, Wisconsin, where he was later killed in a shootout with police after taking four children hostage. Officer Marsek was a United States Marine Corps veteran and served with the Chicago Police Department for almost five years.
Survivors
He was survived by his mother and brother.
Service Record
U.S. Marine Corps
Also Served
Chicago Police Department
Police Officer
In Our Keeping
Permanent identifier
neuraspine_01krbxtn3w5xebcr3g055334y5
Record added
August 2, 2026
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Last updated
August 2, 2026
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