Roll of Honor
Incident
Investigator Cunningham suffered a fatal heart attack shortly after completing a required 45-minute physical training exercise at the Tennessee Law Enforcement Training Academy. He collapsed in the locker room following the exercise.
Investigator Cunningham had served with the Johnson County Sheriff's Department for 1 year.
Survivors
He was survived by his wife and four children.
In Our Keeping
- Permanent identifier
BO-US-TN-030AD1B8- Stewardship
- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 sentinel - 1 tribute.
Are you family? This record can be claimed and maintained by those who knew John. 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
You barely got started.
Investigator Cunningham gave the Johnson County Sheriff's Office 1 year.
Thank you for your service to the Mountain City community. Gone but never to be forgotten.
Rest easy, Investigator Cunningham.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Investigator John Ralph Cunningham is one of 1 officers lost to cardiac events in the line of duty across the full record of this memorial — 0% of all 97,756 officers honored here.
In TN, 37 of 769 officers were lost to cardiac events in the line of duty — 4.8% of this state's fallen. That is 4.8 percentage points above the national rate of 0%.
At Johnson County Sheriff's Office, 1 of 4 officers on record were lost to cardiac events in the line of duty — 25% of this agency's fallen.
National Cause Distribution
How Cardiac compares to all causes of officer death in the memorial record. John Ralph Cunningham's cause is highlighted.
How John Ralph Cunningham Compares
When Cardiac Deaths Occur
Monthly distribution of Cardiac deaths across the full memorial record. John Ralph Cunningham is highlighted in Jan.
Others Who Wore This Badge
3 officers from Johnson County Sheriff's Office are honored on badge.nw.
