These sources say Heath's heart stopped. It could have been a heart attack but it's not certain, at least not yet. Although it's bizarre that a 28-year-old could die of natural causes, it happens.

We've also learned authorities do not believe the housekeeper heard Ledger snoring when she walked in his bedroom at around 1:00 PM. Sources tell us, a fireman observed rigor mortis in Ledger's jaw shortly after arriving on scene at around 3:30PM. Sources say they now believe Ledger was dead for around three hours prior to their arrival, so they don't believe the masseuse could have heard snoring.

Authorities are also annoyed at news reports that there may have been a sinister plot to remove illegal drugs from Ledger's apartment before cops and firemen arrived. - more on this story

Preview and Purchase Heath Ledger CDs