When the DT gets home and thinks about where they are with their case, they will realize that to plant the seed of abuse of Caylee herself (to establish a motive for George) - by George, and then they have to explain away Casey's 31 days of partying and likewise reverse George's completely believable reactions, actions, and testimony days 32-120 as he searched for his baby granddaughter - such that it is clear that he knew where he'd hidden Caylee (near his house in a laundry bag) the entire time.
And then, they will do this: :banghead:
And a little of this: :drink:
And some of this: :boohoo:
And lots of this: :doh:
And end with this: :cry:
And I'll be here with :cow:
raying: for justice for Caylee