Defense worked to obtain DNA evidence linking Knox to killing of Robert Kercher . On what grounds did Knox and Sollecito appeal their convictions for murder , sexual assault , possession of a weapon , interfering with a crime and theft ? Eight jurors -- seven members of public and two private -- ruled on appeal . Knox need not remain in Italy pending possible appeal by defense .
Defense worked to obtain DNA evidence linking Knox to killing of Robert Kercher . Eight jurors -- seven members of public and two private -- ruled on appeal . Knox need not remain in Italy pending possible appeal by defense .