I want to know if Robin Williams was started recently on new medication. I was fairly obvious he was determined. The question is why and were there any other signs.

Livor mortis helps determine time of death. It is physics. Telltale signs of the progression of post death/post mortum deterioration.

Lividity (click here) is also useful for this purpose. Lividity is the process through which the body's blood supply will stop moving after the heart has stopped pumping it around the inside of the deceased. What normally happens at this point is that the blood supply - or at least any blood that remains within the corpse depending on the nature of their death - will settle in direct response to gravity....