No one proved that she neglected the child, and no one proved that she dumped the child in the woods. Any one of the people in that house, or all 3, could have had a role, and nothing put Casey at the site of the body OR singled her out as the murderer. Nothing was proven. It's a 'dry bones' case - how can you even determine a cause of death? You can't. That is the problem.
The usual way that the law gets people convicted is getting one person who was involved, to give up the person who did the crime. They just couldn't get any of these three to do that.
I have other problems with the 'evidence' of Casey Anthony being a bad person who wanted to kill her child so she could 'have fun'.
From all accounts, she was extremely successful at the way she was dealing with having a daughter. Her boyfriends saw her as an exemplary, caring mother - her having a child was actually an advantage to her in that respect - she got sympathy and admiration for having the child. She got her grandad to give her money. Her parents supported her, she had full access to her parent's home and pool - the home was in a very pleasant environment. SHe had a mother who basically did everything but wipe her rear for her.
If she didn't have the child she would have not gotten anything near the support or sympathy she was getting.
She was extremely successful at getting money, getting support, getting babysitters, getting a place to live, and STILL managing to have a lot of fun, boyfriends and everything else. So why did she need to change her situation by deliberately killing the child? The answer is that she did not. Even though her mother was angry at her for taking some checks, she was STILL doing everything Casey asked her to do for her and then some.
And frankly, just because someone is a parent and feels sympathetic toward George and Cindy Anthony, that doesn't mean anything. No one EVER proved they weren't involved in the child's death.
In many ways, particularly Cindy Anthony's behavior, I suspected. There just was something very calculated and restrained in how both George and Cindy Anthony behaved.
I felt the taped jail conversations were performances by all three of them.
The WORST mistake the media made, was pushing the public to expect and demand a death penalty and a murder 1 conviction. If the prosecution hadn't been put in that position, things may have gone a lot better.
And that whole 'smell of death' - that was just a real bad idea to bring that in. That just damages the prosecution.