Authorities said at the time that they had reason to believe Fox "inappropriately touched" a girl on more than one occasion.
On Monday afternoon, the California Highway Patrol reported that Fox was the driver in a 2006 Jeep Cherokee that crossed over the double yellow lines on Ortega Hwy (SR-74), then veered off the roadway and down a steep embankment.
Fox was ejected from the vehicle and found 600 feet over the side. No one else was in the vehicle.
The cause of the accident is still under investigation. Officials have not ruled whether it was an accident, suicide or anything else at this point.
Fox had worked at East Cary Middle School since the fall of 2009. According to the school's website he was an in-school suspension teacher.
Police had said the victim did not attend East Cary Middle, but warrants reveal the inappropriate touching happened when the child was placed in a teacher assistant-student relationship with Fox.They said the crimes took place over the course of several months in a residential setting and that one of the child's parents notified authorities.
Fox had been placed on a $100,000 bond.