Riverside County Sheriff Chad Bianco confirmed that nothing criminal was found in an investigation into the incident that led to the death of Jeff Sperbeck.

California authorities have concluded the investigation into the fatal golf cart incident that resulted in the death of Jeff Sperbeck -- the longtime friend, business partner and former agent of Denver Broncos Hall of Fame quarterback John Elway.

Investigators found "nothing criminal" in the death of Jeff Sperbeck, who fell from a golf cart driven by his friend and client John Elway in April.