09/07/2026
Constable Mark Diebold
End of Watch: September 7, 2017
Today We Remember Constable Mark Diebold. Deputy Constable Mark Diebold served in Constable Precinct 5 for 9 years. Prior to working in the Constable’s Office, he served in the Tarrant County Sheriff’s Department from 1994-2008.
Constable Diebold was well-known for helping deliver a baby on the side of the road. In July of 2016, he pulled over a Jeep for speeding. When he approached, the driver of the vehicle, Caleb Hall stated that his wife, Destiny was having a baby and they were speeding to get to the hospital. Constable Diebold escorted the couple for a few miles until the Jeep pulled over to the side of the road. Constable Diebold called for an ambulance, which did not arrive in time. Constable Diebold and Caleb Hall delivered the healthy baby girl. Constable Diebold remained close with the Hall family, and attended the little girl’s first birthday celebration to have a tea party with her.
On Thursday, September 7, 2017, Constable Diebold was participating in tactical team qualifications. He was finishing qualifications when he suffered a heart attack and died. Constable Diebold was known as a good friend and dedicated officer, and was described as a friendly giant by Justice of Peace Sergio De Leon.
Constable Diebold was 48 years old and survived by his wife, Jennifer, and three daughters, Trinity, Courtney, and Victoria