ABC Online | Daniel Morcombe's killer has murder conviction appeal bid dismissed ABC Online The High Court has dismissed an application by Daniel Morcombe's killer to appeal against his conviction. Key points: Cowan exhausts last legal option following his murder conviction; He now cannot apply for parole until he has served at least 20 years ... Never again - Morcombes can move on Notorious killer to remain behind bars 'Don't forget Daniel': Morcombes |