Centreville Police Department, Illinois
End of Watch Tuesday, June 2, 2009
Add to My HeroesGregory Jonas
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. He was survived by his wife, two sons, four daughters, mother and 10 grandchildren.
Bio
- Age 59
- Tour 23 years
- Badge 003
Incident Details
- Cause Gunfire
- Weapon Gun; Unknown type
- Offender Sentenced to 53 years
Most Recent Reflection
View all 184 ReflectionsGuudmorning Dad
Just stopping showing some love ❤️ but missing you more and more. Days and nights has been slow knowing u looking down on me. Telling to keep moving forward when im feeling down because you not here when I need you the most.
But I will never forget I have angel I know is watching over me and your grandkids. Love you dad. ❤️❤️
Oldest Child--Kalidah Jonas
Daughter
April 14, 2025
Recent LODD Deaths

Patrol Deputy Antonio Aleman
Doña Ana County Sheriff's Office, NM
EOW: July 8, 2025

Officer Miguel Cano
California Highway Patrol, CA
EOW: July 2, 2025

Deputy Sheriff Devin Mason
Darlington County Sheriff's Office, SC
EOW: July 1, 2025

Detention Officer Francisco Paul Flattes
Cherokee County Sheriff's Office, NC
EOW: June 30, 2025

Police Officer Kelvin Patrick
Detroit Police Department, MI
EOW: February 6, 2025

Supervisory Special Agent Dennis M. Wagner, Jr.
United States Department of Justice - Federal Bureau of Investigation, US
EOW: March 5, 2025

Police Officer Kendall Corder
Milwaukee Police Department, WI
EOW: June 29, 2025

Undersheriff Brandon Gaede
Phillips County Sheriff's Office, KS
EOW: June 27, 2025

Sergeant Shiou Deng
Los Angeles Police Department, CA
EOW: June 23, 2025