U.S. Army · United States 
John Sack
1987
John Mullen Sack served the U.S. Army.
How He Died
Manner
Homicide
Cause
Gunshot wound
Mechanism
Firearm
What Happened
Deputy Sheriff John Sack was shot and killed while serving a warrant on a man for a code violation for not cutting his grass. Deputy Sack told the man to get his ATM card so that he could post bail. As Deputy Sack exited the residence at 2102 North University Street, in Peoria, to wait for the man he was shot in the back. The man was shot and killed in the ensuing standoff. Deputy Sack was a U.S. Army Reserve veteran and had served with the Peoria County Sheriff's Office for 20 years.
Survivors
He was survived by his wife, son and two daughters.
Service Record
U.S. Army
Also Served
Peoria County Sheriff's Office
Deputy Sheriff
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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