U.S. Army · United States 
Mark Stephenson
1999
Mark Louis Stephenson served the U.S. Army for 3 years.
How He Died
Manner
Homicide
Cause
Gunshot wound
What Happened
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.
Service Record
U.S. Army
1986 – 1989
Also Served
Atascosa County Sheriff's Department
Deputy Sheriff
In Our Keeping
Permanent identifier
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Record added
August 2, 2026
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Last updated
August 2, 2026
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