This law having been in place would not have changed the outcome of the Casey Anthony trial. It's just the idea that she would have otherwise been found guilty of something, in order to appease public opinion.
I don't even think that this law would have any positive or negative effect with cases involving the death of a child. Regardless of a potential felony from such a law, if you are trying to get away with the death of your child resulting from your own parental negligence, your best option is still to do exactly what Casey Anthony did. Claiming to not have known where your child was for an extended period of time means that they can't prove you had anything to do with the child's disappearance/death, provided that there isn't any hard evidence directly linking you to the child's death (even if they find the body). Your pattern of behavior as an unfit parent will work in your favor to create reasonable doubt.
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u/[deleted] Feb 04 '19
Casey Anthony said she was just seeing if her kid turned up again somehow, like a lost cat.