At this time, the Sheriff's Office Coroner Division suspects the death to be a suicide due to asphyxia, but a comprehensive investigation must be completed before a final determination is made," the Marin County Coroner said in a statement. "A forensic examination is currently scheduled for August 12, 2014 with subsequent toxicology testing to be conducted.
Robin Williams was Bipolar and was battling a serious bout of severe depression. He will be missed. R.I.P. Robin!