Is there posterior livor mortis, yet she was found facing down, front of her body towards the floor? If Meredith moved her, or rolled her over as she was asked to do, but that would mean that Meredith rolled her into that position, and that doesn't make any sense. If there is posterior blood pooling and she was found facing the floor, then it seems that she was rolled over after rigor mortis set ... perhaps four hours later?
If she was murdered closer to midnight, all the lights were on at the house between 4 and 5AM, and a vehicle was seen at the house and at the end of the driveway afterward, then it's possible that the body was moved ... perhaps to retrieve the rings. During trial, were crime scene photos and body position only available to the jury? Was there a drawing of the position of the body?