Ms Moir said the killer couple used code words to signal they had found their next victim. While in prison, Catherine Birnie had expressed her sorrow for her victims, in particular the youngest, 15-year-old Susannah Candy. Three of the original death row cells were converted for him and he stayed there until the prison was closed in 1991. [22] In 2007, her parole application was rejected and the then Attorney-General of Western Australia, Jim McGinty, said that her release was unlikely while he remained in office.