Roll of Honor
Incident
Deputy Stephenson and two other officers were shot and killed when they responded to a 911 hang-up call. Deputy Stephenson and Deputy Thomas Monse were the first officers on the scene when they were shot with an assault rifle by suspect waiting to ambush them. After shooting the two deputies, the suspect took one of their handguns and hid in a ditch. The suspect killed Trooper Terry Miller as he arrived to backup Deputies Monse and Stephenson. The suspect shot and wounded two other officers before committing suicide.
In Our Keeping
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BO-US-TX-B3FAEFB5- Stewardship
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- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Also honored at salute.nw — U.S. Army, salute.nw. One record, 3 gates. Mark is one person.
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Tributes
I served 1985 to 1993. You served too, before the badge - different uniform, same idea. You go where you are sent and you do not get to pick the call.
Deputy Sheriff Stephenson gave the Atascosa County Sheriff's Department 9 years.
Thank you for your service to the Jourdanton community, and for your service before it. Gone but never to be forgotten.
Rest easy, brother.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Military Service
Mark Louis Stephenson served in the U.S. Army (1986â1989) before joining law enforcement.
Deputy Sheriff Mark Louis Stephenson is one of 1 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 0% of all 97,759 officers honored here.
In TX, 1,460 of 2,421 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 60.3% of this state's fallen. That is 60.3 percentage points above the national rate of 0%.
At Atascosa County Sheriff's Department, 7 of 7 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 100% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Mark Louis Stephenson's cause is highlighted.
How Mark Louis Stephenson Compares
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Mark Louis Stephenson is highlighted in Oct.
Weapons Used Against Officers
Most common weapons in felonious officer deaths.
Incident Location
Military Service
Mark Louis Stephenson served in the U.S. Army (1986–1989) before joining law enforcement.
Visit Mark Louis Stephenson’s page on salute.nw →
His full service record — units, decorations, where he served — is kept on salute.nw.
Others Who Wore This Badge
6 officers from Atascosa County Sheriff's Department are honored on badge.nw.
