Who seeks justice for Caylee, their beloved grand daughter? Certainly not Cindy and George.
That's cold, hard facts.
Tossing another close family member into the fire is probably not something that occurs to most people (even under the worst circumstances) that should be done.
Regarding "justice for Caylee" that's why we have the government involved. That same government also protects other women as they murder their pre-borns.
Kind of discredits the idea that government can bring justice to the fore in any event.
Actually, it kind of discredits the idea of justice doesn't it.
At the same time a couple of other posters noted that mothers can almost always be depended on to provide alibis for their kids.
Maybe someday we can put these questions to our overlords, the machines!