The trial of a woman accused of killing her father and his girlfriend at their vacation home in Sunrise Beach has been postponed. Susan Van Note was in court this week for a pre-trial conference and her trial was supposed to begin next month. However, it has been delayed and no new trial date has been scheduled. It was also announced that members of the Missouri Attorney General’s office have joined the prosecution. Van Note, a lawyer from Kansas city is accused of killing her father William Van Note and his girlfriend Sharon Dickson in October of 2010.