I heard about this and just found this story.

"There are strange circumstances surrounding the death of an Austin man. Police say his interest in explosives are what killed him, not a car accident as they first believed At first, investigators believed 50-year-old Scott McKinney was a victim of a car accident. He was driving a minivan on Davis Road Sunday night, when the car veered into a ditch. He was rushed to UMC Brackenridge, and died ..."