"Everyone understand that guy's age, but many look at a certain guy and think he's the exception, " says David Berri, a sports economist who teaches at Southern Utah University.

FORBES

He went to college at Southern Utah University, where he was a running back on the school's football team and graduated with a degree in political science in 2001, the school's athletic department spokesman Neil Gardner said.

CNN: Notorious company: Dorner a 'friendly guy' gone bad

He went to college at Southern Utah University, where he was a running back on the school's football team and graduated with a degree in political science in 2001, Southern Utah athletic department spokesman Neil Gardner said.

CNN: Suspect's grudge dates back to 2007 complaint