article_snippet: There were no signs of forced entry to the property which makes us believe that Traci has willingly let Traci killer into Traci home,' her killer said. '
article_snippet: Detectives have spoken to a number of people, including Ms O'Sullivan friends but haven't been able to establish a motive for the killing. '
article_snippet: We are keeping an open mind but have not been able to establish a reason why anyone would want to kill Traci.
highlights_snippet: Police say her knew her killer as no sign of forced entry at her home .
  