CHAMPAIGN, Ill. - A former University of Illinois gymnastics coach has been charged with secretly videotaping a gymnast in a campus locker room.

John Valdez, who coached Justin Spring at the Beijing Olympics, was charged Tuesday with one count of unauthorized videotaping, Champaign County State’s Attorney Julia Rietz said. The charge is a Class 4 felony and carries a potential sentence of one to three years in prison.