BBM
Proof of premediated murder? No. It's absolutely possible that this was done with the intent of keeping Caylee quiet. Do I think it contributed to her death, yes. But I'm not convinced the intent of that was premeditated murder. Still first degree murder, though, because even if Caylee died as a result of a crime committed against her, that still falls under the requirements for first degree murder. And yes, even if that is what this jury concludes, the death penalty is still an option for them. I personally wouldn't recommend the DP in this case, but that's just me. And there are a few reason why I wouldn't.
What this jury does is a whole other story, though.