Prev
Incident
Patrol Officer and Training Instructor Jason Gallero suffered a fatal medical event while participating in a morning run at the Cook County Sheriff's Police Training Academy in Maywood.
Officer Gallero, who was an instructor with the academy, was running with cadets and other instructions when he collapsed near Fifth Avenue and Chicago Avenue. He was transported to Gottlieb Memorial Hospital where he was pronounced dead at approximately 8:30 am.
Officer Gallero had served with the Cook County Sheriff's Police Department for 14 years and had previously served with the Cook County Department of Corrections for eight years.
Survivors
He is survived by his daughter.
In Our Keeping
- Permanent identifier
neuraspine_01krbxtnxcfqjv73st3s4dsdh8- Stewardship
- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
Are you family? This record can be claimed and maintained by those who knew Jason. 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
22 years. You could have gone home.
Patrol Officer Gallero gave the Cook County Sheriff's Police Department 22 years. Still answering calls at the end.
Thank you for your service to the Maywood community. Gone but never to be forgotten.
Rest easy, Patrol Officer Gallero.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Illness
Cook County Sheriff's Police Department has lost 7 officers; 3 of them lost to illness.
Jason is one of 66 officers lost to illness in IL, 5% of the 1,318 remembered there.
Jason is one of 2,028 officers lost to illness in the United States, 7.4% of the 27,551 remembered there.
Jason is one of 2,979 officers lost to illness worldwide, 8.7% of the 34,102 remembered here.
34,102 officers are remembered on this memorial. Each number below is one of them.
Time
In 2016, 1 officer in IL was lost to illness, the 7th heaviest of 13 years on record. The heaviest was 1918, with 16.
In 2016, 31 officers in the United States were lost to illness, the 12th heaviest of 108 years on record. The heaviest was 2021, with 564.
In 2016, 33 officers worldwide were lost to illness, the 12th heaviest of 197 years on record. The heaviest was 2021, with 566.
Who
Jason was 45. Of the 66 lost to illness in IL whose age is recorded, half were between 35 and 51; the middle age was 45.5. Jason had served 22 years; the middle length of service was 13.2 years.
Jason was 45. Of the 1,996 lost to illness in the United States whose age is recorded, half were between 42 and 58; the middle age was 51. Jason had served 22 years; the middle length of service was 20 years.
Jason was 45. Of the 2,916 lost to illness worldwide whose age is recorded, half were between 39 and 56; the middle age was 49. Jason had served 22 years; the middle length of service was 20 years.
When
September holds 3% of these deaths in IL; January holds the most, 19.7%. Thursdays: 19.7%.
September holds 11.2% of these deaths in the United States; October holds the most, 14.9%. Thursdays: 15.7%.
September holds 9.8% of these deaths worldwide; October holds the most, 12.6%. Thursdays: 15.2%.
How
Illness deaths account for 42.9% of all 7 deaths at Cook County Sheriff's Police Department, the most common cause.
Illness deaths account for 5% of all 1,318 deaths in IL, the 3rd most common cause.
Illness deaths account for 7.4% of all 27,551 deaths in the United States, the 3rd most common cause.
Illness deaths account for 8.7% of all 34,102 deaths worldwide, the 3rd most common cause.
His people
Cook County Sheriff's Police Department has 7 officers remembered here, Jason among them.
Where
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 41-W
What is kept
Photographs, film, sound and papers — what survived a life.
Others Who Wore This Badge
6 officers from Cook County Sheriff's Police Department are honored on badge.nw.
