Roll of Honor
Incident
Lieutenant Gregory Jonas was shot and killed while patrolling an apartment complex.
Lieutenant Jonas was on patrol in the 4700 block of Tudor Avenue when he was shot in the head and killed. It is believed the shooting occurred when he was questioning an individual at approximately 2:00 am.
The suspect was later apprehended and charged with murder. On June 13th, 2012, the suspect pleaded "guilty but mentally ill" to murder. On November 13th, 2012, he was sentenced to 53 years in prison without parole.
Lieutenant Jonas had served with the Centreville Police Department for 15 years and had previously served with the Alorton Police Department for eight years.
Survivors
He was survived by his wife, two sons, four daughters, mother and 10 grandchildren.
In Our Keeping
- Permanent identifier
BO-US-IL-CD2024A1- 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.
Are you family? This record can be claimed and maintained by those who knew Gregory. Claim this record.
This page is permanent and free. No fee to view it, no advertising, no tracking, and no account required. It will not be taken down.
Tributes
23 years. You could have gone home.
Lieutenant Jonas gave the Centreville Police Department 23 years. Still answering calls at the end.
Thank you for your service to the Centreville community. Gone but never to be forgotten.
Rest easy, Lieutenant Jonas.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Lieutenant Gregory Jonas 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%.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Gregory Jonas's cause is highlighted.
How Gregory Jonas Compares
Offender Outcome
Sentenced to 53 years
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Gregory Jonas is highlighted in Jun.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Gregory Jonas was killed by gun; unknown type.