In his younger pictures, Jett looked completely normal;
kids with autism show signs at a very early age. Whatever caused Jett to have seizures is most likely what caused his death.
And yes, I do believe the fact that they were Scientioligist may have played a huge part in getting the propper treatment for their son. If there is anything good to come from this ... maybe it will expose Scientolgy for the the cult it is masking as a religion in order to keep from paying millions of dollars in taxes. Let's us not forget Ron Hubbard's wife actually went to jail for trying to steal documents from a federal building that could have led to Scientolgy to pay taxes some years ago.!