Father of murdered Melbourne woman Courtney Herron backs calls for change over Celeste Manno death

The father of Melbourne woman Courtney Herron has backed calls by the family of Celeste Manno for immediate change to Victoria's justice system. John Herron clings to photograph of his daughter Courtney, who was beaten to death by Henry Hammond last year Celeste Manno, 23, was allegedly killed in her Melbourne home in the early hours of Monday Courtney Herron was brutally killed by a man doctors say is not guilty of murder because he was mentally ill The death of Ms Manno has brought back haunting memories for Mr Herron of the day his daughter was murdered. Luay Sako, 35, handed himself in to local police hours after Ms Manno's death and was taken to hospital under police guard, and was charged with murder on Thursday night Henry Hammond, 27, bashed Courtney Herron, 25, to death in a Melbourne park. She was savagely killed by Henry Hammond, who was found not guilty of murder through mental impairment THE STEPS THAT PUT COURTNEY'S KILLER BACK ON THE STREETS December 17, 2018: Henry Hammond is sentenced to 10 months and 14 days over a savage attack on a woman Hammond had bashed and strangled the woman and threatened to kill her She only escaped by gouging his eyes Hammond had previous offences from NSW related to domestic violence April 1, 2019: Hammond had been behind bars for 231 days when he won an appeal in the County Court of Victoria Judge John Carmody re-sentenced Hammond to time already served and added a community corrections order May 25, 2019: Courtney Herron meets Hammond in Melbourne and treats him to dinner. He says he killed her in an act of revenge for killing his wife May 31, 2019: Thousands attended a silent vigil organised for Ms Herron September 16, 2019: Hammond is due to be assessed by a forensic psychiatrist December 18, 2019: Hammond pleads not guilty to murder at Melbourne Magistrates Court January 7, 2020: Ms Herron's father John speaks up about his daughter's death: 'She died unnecessarily.