Roll of Honor
Incident
Jailer Thomas Douglas suffered a fatal heart attack while participating in a required training run.
He was participating in required physical training exercises at the Harris County Sheriff’s Office Training Academy in Humble, Texas. During the training exercises, he suddenly collapsed to the ground. Academy instructors immediately summoned medical assistance and performed life-saving CPR measures. He was transported to Houston Northeast Medical Center where emergency room medical staff continued to provide him with urgent medical care for as long as they could. At approximately 8:00 pm he failed to respond to medical assistance and was pronounced dead.
Jailer Douglas began his service to the Harris County Sheriff’s Office on January 26th, 2004, as a Harris County Sheriff’s Office Reserve Deputy Sheriff. He received his temporary Texas State Jailers License and was assigned to work in the Harris County Jail. On March 2, 2004, he was selected to receive his certification training as a Cadet in the Harris County Sheriff’s Office Reserve Academy
Jailer Douglas had served with the Harris County Sheriff's Office for five years.
Survivors
He is survived by his wife and two children.
In Our Keeping
- Permanent identifier
BO-US-TX-B16D0E80- 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.
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Tributes
I never knew you. I am standing here anyway.
Jailer Douglas gave the Harris County Sheriff's Office 5 years.
Thank you for your service to the Houston community. Gone but never to be forgotten.
Rest easy, Jailer Douglas.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Jailer Thomas Flores Douglas is one of 1,306 officers lost to cardiac events in the line of duty across the full record of this memorial — 4% of all 32,508 officers honored here.
In TX, 88 of 2,421 officers were lost to cardiac events in the line of duty — 3.6% of this state's fallen.
At Harris County Sheriff's Office, 5 of 56 officers on record were lost to cardiac events in the line of duty — 8.9% of this agency's fallen.
National Cause Distribution
How Cardiac compares to all causes of officer death in the memorial record. Thomas Flores Douglas's cause is highlighted.
How Thomas Flores Douglas Compares
When Cardiac Deaths Occur
Monthly distribution of Cardiac deaths across the full memorial record. Thomas Flores Douglas is highlighted in Mar.
Incident Location
Others Who Wore This Badge
55 officers from Harris County Sheriff's Office are honored on badge.nw. Showing the 16 most recent.
