I'm about 90% thinking it's her, but staged for $$$.
Just my .02. and not snarky here either, but explaining why some of us might seem unforgiving toward them.
By watching this case from the beginning, I can totally understand how some of us went from feeling pity toward the Anthony's to downright contempt. They just provided so much misdirection to law enforcement and the public throughout the entire case that I think anyone who wanted justice for Caylee would have reason to become dismayed with them.
Yes, it was bad enough that Cindy cleaned the car and washed the clothes. But their later actions turned my sympathy switch to off. Lots of things piled on, for example Cindy telling Texas Equsearch they were "fired" and to get out (after Cindy having had the nerve to tell the rest of us to "get off our a**es to find her granddaughter!") to the time when the detectives asked Cindy for Caylee's hairbrush and she purposely gave them Casey's instead
http://www.wftv.com/news/18145599/detail.html
And why would they go to the memorial scene in the darkness of night and remove items left there in Caylee's memory? After all, people just wanted to show that they cared for Caylee by leaving those crosses, etc. where the remains were found. I think it gave people some comfort.
So why would the A's remove those to throw them away?

(Though thinking of this again reminds me at the very beginning of the case when Caylee had first gone missing and George put bags and bags of trash out out the curb and a reporter saw they were full of stuffed animals. Someone else grabbed them and opened them (a neighbor? a protestor? can't remember, have to look it up again) and they were full of stuffed animals and momentos people had sent along with cards and donations to the A's since Caylee had just gone missing. It was shocking at the time because it was so new. Of course the money mentioned in the cards was kept by the A's, everything else sent got tossed.

)
http://justice4caylee.forumotion.net/t2409-wesh-did-anthony-s-steal-purple-cross-from-memorial-site
My hardened heart actually started to thaw toward Cindy during the trial when she was sobbing on the stand, and I thought real progress was being made for Caylee. And when Cindy left the stand without even looking Casey's way, hugged George on her way out of the courtroom and Casey threw her fit, woohoo. Truth is finally going to be coming out! But then Lee made his visit to Jose's office and the next time we see Cindy on the stand she is perjuring herself and mouthing "I love you's" to Casey
There was just so much more over the time (i.e. the Caylee Foundations they started and the money taken from them, buying the $30,000 bass boat naming it "SS Caylee Marie" saying it was for search and rescue, when investigators were focusing on Caylee's shoes and Cindy hurriedly donated them, oh it just goes on and on.....
JMO it should be maybe they are in denial for how much pain they've
caused for the last three years.