An autopsy by the state medical examiner 's office the next day concluded that he died from accidental drowning with heart disease as a contributing factor .
Simmons was found dead on August 8 , 2010 , in his hot tub .
An autopsy by the state medical examiner 's office the next day concluded that Simmons died from accidental drowning with heart disease as a contributing factor .
Simmons was found dead on August 8 , 2010 , in his hot tub .