Roll of Honor
Incident
Patrolman William Hallaran was shot and killed by a suspect he had previously arrested near the intersection of Wentworth Avenue and 25th Street. In 1882 Patrolman Hallaran arrested the suspect for burglary. His testimony at the trial helped convict the suspect and send him to prison. The suspect was sentenced to four years for the burglary. When he was released from prison, the suspect tracked down Patrolman Hallaran and shot and killed him. The suspect was arrested and convicted of murder. He was sentenced to 35 years of hard labor in the Joliet Prison. A year later the suspect escaped and remained at large for 34 years. He was returned to prison in January of 1923 after he had been arrested for assault with intent to kill the previous July. The suspect died in November 1933. Patrolman Hallaran served with the Chicago Police Department for less than 10 years.
In Our Keeping
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BO-US-IL-A14C0A11- Stewardship
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- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
139 years is a long time for a name to go unread. Not today.
Patrolman Hallaran gave the Chicago Police Department 9 years.
Thank you for your service to the Chicago community. Gone but never to be forgotten.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Patrolman William S. Hallaran is one of 1 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 0% of all 97,772 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 63.9 percentage points above the national rate of 0%.
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. William S. Hallaran's cause is highlighted.
How William S. Hallaran Compares
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. William S. Hallaran is highlighted in Jul.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. William S. Hallaran was killed by gun.
Incident Location
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