Roll of Honor
Incident
Police Officer Donald Joseph Marquez was shot and killed as he was serving an arrest warrant in the 2400 block of North Avers Avenue.
A 77-year-old resident opened fire with two .22 caliber handguns. Officer Marquez was struck several times. He succumbed to his wounds at the hospital.
The assailant was shot and killed in an exchange of gunfire with backup officers.
Officer Marquez was a 20-year veteran of the Chicago Police Department.
Survivors
He was survived by his wife, two sons, three daughters, a grandson, parents, and two sisters.
In Our Keeping
- Permanent identifier
BO-US-IL-0C1820C7- Stewardship
- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- April 2, 2026
- Last updated
- July 23, 2026
Honored here by 1 sentinel - 1 tribute.
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Tributes
20 years. You could have gone home.
Police Officer Marquez gave the Chicago Police Department 20 years. Still answering calls at the end.
Thank you for your service to the Chicago community. Gone but never to be forgotten.
Rest easy, Police Officer Marquez.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Police Officer Donald Joseph Marquez is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.
In IL, 842 of 1,318 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 63.9% of this state's fallen. That is 9.7 percentage points above the national rate of 54.2%.
At Chicago Police Department, 396 of 571 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 69.4% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Donald Joseph Marquez's cause is highlighted.
How Donald Joseph Marquez Compares
Offender Outcome
Shot and Killed
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Donald Joseph Marquez is highlighted in Mar.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Donald Joseph Marquez was killed by handgun; .22 caliber.
Incident Location
Others Who Wore This Badge
570 officers from Chicago Police Department are honored on badge.nw. Showing the 16 most recent.
