Celebrity Cause of Death Kept Under Lock and Key

After the sudden death of two young celebrities, Brittany Murphy and Casey Johnson, the world awaits the autopsy verdict: were drugs, prescription or otherwise, responsible for their untimely demise? But the anticipating public shouldn't hold its breath. As with the long line of celebrity overdoses that came before, like Michael Jackson, Heath Ledger and Anna Nicole Smith -- toxicology reports pronouncing the cause of death for these two young celebrities will not be released for weeks,...Full Story