Joseph Tovar, 23, was not wearing a seat belt, police said.(from KSAT-12)
Traffic investigators said they later learned that Tovar caused the crash. According to police, Tovar was having an argument with his girlfriend, who was driving the SUV, when Tovar allegedly reached over and pulled on the steering wheel.
Police said the car veered toward the right, and Tover's girlfriend overcorrected, causing the SUV to flip over.
"He was ejected from the vehicle and the vehicle rolled over him, killing him there at the scene," said Sgt. Joe Rios, with the San Antonio Police Department.
Thankfully, the others in the car are going to be OK.