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Incident
Deputy Donald Mitchell suffered a fatal heart attack while responding to an emergency call involving a natural gas explosion. Other responding deputies found Deputy Mitchell on the side of the road with his patrol car still running. He was transported to a local hospital, where he was pronounced dead. Deputy Mitchell had served with the Moore County Sheriff's Office for five years.
Survivors
He is survived by his wife and three children.
In Our Keeping
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- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Reserve Deputy Mitchell gave the Moore County Sheriff's Office 5 years.
Thank you for your service to the Dumas community. Gone but never to be forgotten.
Rest easy, Reserve Deputy Mitchell.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Cardiac
Moore County Sheriff's Department has lost 2 officers; 1 of them lost to cardiac events.
Donald is one of 88 officers lost to cardiac events in TX, 3.6% of the 2,422 remembered there.
Donald is one of 1,307 officers lost to cardiac events in the United States, 4.7% of the 27,551 remembered there.
Donald is one of 1,309 officers lost to cardiac events worldwide, 3.8% of the 34,102 remembered here.
34,102 officers are remembered on this memorial. Each number below is one of them.
Time
In 1996, 3 officers in TX were lost to cardiac events, the 4th heaviest of 53 years on record. The heaviest was 1978, with 4.
In 1996, 17 officers in the United States were lost to cardiac events, the 21st heaviest of 139 years on record. The heaviest was 2014, with 24.
In 1996, 17 officers worldwide were lost to cardiac events, the 21st heaviest of 139 years on record. The heaviest was 2014, with 24.
Who
Donald was 62. Of the 84 lost to cardiac events in TX whose age is recorded, half were between 42.8 and 57; the middle age was 50. Donald had served 5 years; the middle length of service was 15 years.
Donald was 62. Of the 1,249 lost to cardiac events in the United States whose age is recorded, half were between 43 and 55; the middle age was 48. Donald had served 5 years; the middle length of service was 15 years.
Donald was 62. Of the 1,251 lost to cardiac events worldwide whose age is recorded, half were between 42.5 and 55; the middle age was 48. Donald had served 5 years; the middle length of service was 15 years.
When
December holds 12.5% of these deaths in TX; October holds the most, 12.5%. Saturdays: 14.8%.
December holds 8.5% of these deaths in the United States; January holds the most, 9.6%. Saturdays: 14.3%.
December holds 8.5% of these deaths worldwide; January holds the most, 9.5%. Saturdays: 14.4%.
How
Cardiac deaths account for 50% of all 2 deaths at Moore County Sheriff's Department, the most common cause.
Cardiac deaths account for 3.6% of all 2,422 deaths in TX, the 4th most common cause.
Cardiac deaths account for 4.7% of all 27,551 deaths in the United States, the 4th most common cause.
Cardiac deaths account for 3.8% of all 34,102 deaths worldwide, the 4th most common cause.
His people
Moore County Sheriff's Department has 2 officers remembered here, Donald among them.
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 27-W
What is kept
Photographs, film, sound and papers — what survived a life.
Others Who Wore This Badge
1 officer from Moore County Sheriff's Department are honored on badge.nw.
