Maybe I'm wrong on this, but I thought the whole money thing happened before Amy went away? When do you think she was sure it was Casey that stole it?
Also, Clint keeps saying they never met any of Casey's friends, yet Tony apparently calls Amy to tell her to talk to the police and Amy obviously knows where the house is (she brings Cindy there). How can they all be saying that they didn't know anything til the detectives told them (Tony anyhow) when we know that Amy knew the night before, and I suspect Tony would have also known. I mean, how did Amy explain to Tony why she brought Cindy there???
It's all very strange to me.
And I'm not saying they are suspects, simply that I don't have enough info to be convinced that they don't know more than they are saying. The police are the only ones that know if their statements are making sense and consistent with the evidence, whether their travel plans were sudden or made well in advance etc.
And again, I'd really like to know how Casey moved in with Amy and why Amy never asked her why Caylee was never with her??? A whole month of excuses when you actually live with her?? Don't you find this odd??
IMOO