Inspector Robert Heibler was struck and killed by a hit-and-run driver on US Highway 90 near Uvalde, Texas, while conducting a traffic inspection. While Inspector Heibler attempted to re-light a flare he was struck by the vehicle, which then fled the scene. Inspector Heibler's partner gave him medical attention but he succumbed to his injuries.
Inspector Heibler had been with the agency for four months. He was buried in Port Arthur, Texas.