John Anthony "Jay" Sampietro, Jr.
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
- April 2, 2026
- Last updated
- July 23, 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
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 "Jay" Sampietro, Jr. 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 MO, 237 of 813 officers were lost to accidents in the line of duty — 29.2% of this state's fallen. That is 1.8 percentage points below the national rate of 31%.
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 "Jay" Sampietro, Jr.'s cause is highlighted.
How John Anthony "Jay" Sampietro, Jr. Compares
When Accident Deaths Occur
Monthly distribution of Accident deaths across the full memorial record. John Anthony "Jay" 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.















