Vice Consul Monterrey Fatal Vehicle Crash: According to Local News a Tire May Have Been Damaged

I fully assume we'll learn more about the possible cause of that fatal accident when - if? - an internal investigation is completed, but for now it seems the host government suspects the cause may have been a damaged tire. 

Here's a local news story that mentions an initial Mexican police report:

Although initial reports suggest that one of the vehicle's tires may have been damaged, the investigation is ongoing to determine the cause of the accident. 

As previously reported, the incident that killed Brian Matthew Faughnan, Vice Consul of the United States in Monterrey, Nuevo León, occurred around 5:31 p.m. on Wednesday, July 9, on the stretch known as La Cuchilla - Matamoros, at kilometer 36+000, near the Matamoros municipal landfill. 

Faughnan was driving a white, armored 2018 Toyota pickup truck [camioneta] when he lost control of the vehicle, rolling over onto the side of the road and sustaining serious injuries. The truck was completely destroyed. 

The key sentence in the original Spanish is: "Aunque los primeros informes sugieren que pudo haberse dañado una de las llantas del vehículo."