Incident
Special Agent Gary Degelman died at St. Francis Hospital in Peoria from head injuries a day after he fell from a truck while on duty. Prior to joining the Illinois State Police, Agent Degelman was an officer for the Monmounth Police Department, serving as that agency's representative to the Peoria Metropolitan Enforcement Group from 1980-1981. He began his service in District 7 - Rock Island after his graduation from the Illinois State Police Academy in 1984. Two years later, Agent Degelman transferred to the Division of Criminal Investigation and successfully trained as a Special Agent. After fourteen months in Zone 7, he was assigned to the Zone 14 - Macomb Office where he served until his death. Special Agent Degelman is survived by his wife and two children.
Survivors
Special Agent Degelman is survived by his wife and two children. Special Agent Degelman was a 5 year veteran of the Illinois State Police; He is survived by his wife and two children.
In Our Keeping
- Permanent identifier
BO-US-IL-741BEB27- 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
I never knew you. I am standing here anyway.
Special Agent Degelman gave the Illinois State Police 7 years.
Thank you for your service to the people of Illinois. Gone but never to be forgotten.
Rest easy, Special Agent Degelman.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Special Agent Gary Robert Degelman is one of 10,088 officers lost to accidents in the line of duty across the full record of this memorial — 31% of all 32,508 officers honored here.
In IL, 354 of 1,318 officers were lost to accidents in the line of duty — 26.9% of this state's fallen. That is 4.1 percentage points below the national rate of 31%.
At Illinois State Police, 49 of 67 officers on record were lost to accidents in the line of duty — 73.1% of this agency's fallen.
National Cause Distribution
How Accident compares to all causes of officer death in the memorial record. Gary Robert Degelman's cause is highlighted.
How Gary Robert Degelman Compares
When Accident Deaths Occur
Monthly distribution of Accident deaths across the full memorial record. Gary Robert Degelman is highlighted in May.
Incident Location
Others Who Wore This Badge
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