(CNN) - The lack of a cause of death, a lengthy trial and the possibility that Caylee Anthony's 2008 death was accidental were probably factors in the Tuesday acquittal of her mother, Casey, according to attorneys and analysts.
Defense attorney Bruce Poston said he, like many others, was initially surprised by the verdict.
But on reflection, he said, he realized jurors were given a circumstantial case in which there was no proven cause of death. And, Poston said, there was no evidence of premeditation by Casey Anthony.
"She didn't have to kill the child," he said. "Her parents would have raised this child."
The jury found Anthony not guilty of first-degree murder and the other most serious charges against her in the 2008 death of Caylee, 2. But it convicted her on four misdemeanor counts of providing false information to law enforcement officers.
Jurors would not immediately comment on their decision.FULL STORY
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