Well, she had 2.5 days of coming up with scenarios to explain what happened and then reconsidering. The lab tests indicate that she was killed between 1 and 4pm on Monday and the body was in the car for 2.5 days. She could have overdosed her with NyQuil, panicked when she couldn't revive her and then started the avalanche of phone calls at 4. She could have wrapped her in a blanket, put her in the car and then thought that she better put her in a bag in case someone saw in the trunk. The next day she might have thought to stage the kidnapping but reconsidered it when the body leaked fluids in the car and then put her in the garbage bag and dumped the little body, she could have put that sticker and duct tape on at any time during those days. She may have moved the body out of the trunk and laid her down in the backyard when she put her in the laundry bag and then the garbage bag, which would explain the two hits by the cadaver dogs in the yard.