Therein lays the problem. They couldnt prove any of those. Only speculation. The prosecution spent its entire time trying to prove murder one but couldnt establish how she died, when she died, who put the body in the bag, or anything else.
Those prone to emotionalism want someone punished and made their minds up because of Caseys behavior. Nothing based on pure incontrovertible facts.
When the prosecutor himself admits on Greta that the tape could have moved during the time it was under water going through storms and possible animal involvement you know that even they had reasonable doubt about the suppositions they presented in court.
If you go to bed and sleep all night and never wake the whole time, and there is 5 inches of snow on the ground can you say that without a doubt it snow the night before? Are you capable of that? THe new standard is you have to assume the jury is mentally challenged and cannot reason or deduce anything. Scary.