Prosecutors alleged that she killed Caylee by using chloroform and covering her nose and mouth with duct tape, and that she put her body in the trunk of her car before dumping it in the woods.
Anna Lagwinowicz and her uncle Tadevsz Dmytryszyn are accused of dumping the body of Catherine Wells-Burr, 23, in her Ford car before setting it alight.
Ms Lagwinowicz is said to have joined Mr Dmytryszyn in dumping Miss Wells-Burr's body in her red Ford Focus before setting fire to the car at about 06:00.