Incident
Corporal John Sampietro was struck and killed by a vehicle while investigating an early morning accident on I-44 in Webster County.
He was assisting the agency's Major Crash Investigation Team by directing traffic around the crash reconstruction site when he was struck by an SUV as traffic merged into one lane. He was transported to Cox South Hospital where he succumbed to his injuries.
The suspect pleaded guilty to involuntary manslaughter and was sentenced to seven days incarceration and five years probation.
Corporal Sampietro had served with the Missouri State Highway Patrol for 13 years and was assigned to Troop D Springfield.
Survivors
He is survived by his wife and two young sons.
In Our Keeping
- Permanent identifier
BO-US-MO-86755F91- 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 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
I never knew you. I am standing here anyway.
Corporal Sampietro gave the Missouri State Highway Patrol 13 years.
Thank you for your service to the people of Missouri. Gone but never to be forgotten.
Rest easy, Corporal Sampietro.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Corporal John Anthony Sampietro Jr. is one of 1 officers lost to accidents in the line of duty across the full record of this memorial — 0% of all 97,772 officers honored here.
In MO, 237 of 813 officers were lost to accidents in the line of duty — 29.2% of this state's fallen. That is 29.2 percentage points above the national rate of 0%.
At Missouri State Highway Patrol, 18 of 33 officers on record were lost to accidents in the line of duty — 54.5% of this agency's fallen.
National Cause Distribution
How Accident compares to all causes of officer death in the memorial record. John Anthony Sampietro Jr.'s cause is highlighted.
How John Anthony Sampietro Jr. Compares
When Accident Deaths Occur
Monthly distribution of Accident deaths across the full memorial record. John Anthony Sampietro Jr. is highlighted in Aug.
Incident Location
Others Who Wore This Badge
32 officers from Missouri State Highway Patrol are honored on badge.nw. Showing the 16 most recent.















