Comal County, TX — September 28, 2025, Shannon Borum was killed in a motorcycle accident at about 1:30 a.m. in the 16800 block of F.M. 306.
A preliminary accident report indicates that a 2022 Honda CRF1100 motorcycle went off the road and overturned while going east on the east side of Canyon Lake.

Motorcyclist Shannon Borum, 59, died from injuries suffered in the crash, according to the report. He was wearing a helmet, but it was damaged in the crash.
Authorities have not released any additional information about the Comal County crash at this time.
Commentary by Attorney Michael Grossman
When a person dies in a motorcycle crash, especially in the quiet hours of early morning, it often leaves more questions than answers. That silence around the facts can make it difficult to understand what truly happened and whether anything could have prevented it. In any serious accident, especially one involving a single motorcycle, it’s worth pressing past assumptions and considering what details might have been missed, or never looked into at all.
Did the authorities thoroughly investigate the crash? With single-vehicle crashes, especially those happening late at night, there’s a real risk that investigators chalk it up to operator error and move on. But that kind of shortcut thinking skips over crucial opportunities to learn the truth. Was the scene analyzed using 3D mapping or diagramming tools? Did investigators reconstruct the motorcycle’s path before it left the roadway? Was there any attempt to understand what the rider might have been doing or dealing with in the minutes before the crash? Without this deeper work, the conclusions can be shaky at best.
Has anyone looked into the possibility that a vehicle defect caused the crash? Motorcycles, like all machines, aren’t immune to failure. A sudden brake lock-up, a steering defect or even an electrical issue could lead to a crash that looks, on the surface, like a simple loss of control. Damage to the bike may hide critical clues unless a qualified professional inspects it thoroughly. It’s easy to miss these things if the focus stays only on what happened after the bike went down, not why it left the road in the first place.
Has all the electronic data relating to the crash been collected? Even motorcycles today can hold useful electronic records. On top of that, phones, GPS logs or even nearby traffic cameras might help paint a more complete picture. Did the rider brake? Was he accelerating or slowing down? Was there a sudden swerve? These answers can live in the data, but only if someone takes the time to pull it and piece it together.
In situations like this, it’s not about guessing. It’s about asking better questions. When investigators stop at surface-level answers, it closes the door on truth. Real accountability, and sometimes real peace of mind, comes from digging deeper.
Key Takeaways:
- Surface-level investigations often miss key causes in single-vehicle motorcycle crashes.
- Mechanical failures should always be ruled out with a thorough inspection.
- Phone data, GPS and digital tools can fill in the gaps when no witnesses are around.